{"containers": {"cna": {"affected": [{"product": "Jira Server", "vendor": "Atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.14.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Jira Data Center", "vendor": "Atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.14.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-08-12T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1."}], "problemTypes": [{"descriptions": [{"description": "Path Traversal", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-05T16:06:16.000Z", "orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "shortName": "atlassian"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://jira.atlassian.com/browse/JRASERVER-72695"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@atlassian.com", "DATE_PUBLIC": "2021-08-12T00:00:00", "ID": "CVE-2021-26086", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Jira Server", "version": {"version_data": [{"version_affected": "<", "version_value": "8.5.14"}, {"version_affected": ">=", "version_value": "8.6.0"}, {"version_affected": "<", "version_value": "8.13.6"}, {"version_affected": ">=", "version_value": "8.14.0"}, {"version_affected": "<", "version_value": "8.16.1"}]}}, {"product_name": "Jira Data Center", "version": {"version_data": [{"version_affected": "<", "version_value": "8.5.14"}, {"version_affected": ">=", "version_value": "8.6.0"}, {"version_affected": "<", "version_value": "8.13.6"}, {"version_affected": ">=", "version_value": "8.14.0"}, {"version_affected": "<", "version_value": "8.16.1"}]}}]}, "vendor_name": "Atlassian"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Path Traversal"}]}]}, "references": {"reference_data": [{"name": "https://jira.atlassian.com/browse/JRASERVER-72695", "refsource": "MISC", "url": "https://jira.atlassian.com/browse/JRASERVER-72695"}, {"name": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:19.569Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jira.atlassian.com/browse/JRASERVER-72695"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-26086", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-13T14:08:00.786261Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2024-11-12", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086"}}}], "affected": [{"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_server", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_server", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_server", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_data_center", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_data_center", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_data_center", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "timeline": [{"time": "2024-11-12T00:00:00.000Z", "lang": "en", "value": "CVE-2021-26086 added to CISA KEV"}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:25:37.960Z"}}]}, "cveMetadata": {"assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "assignerShortName": "atlassian", "cveId": "CVE-2021-26086", "datePublished": "2021-08-16T00:15:09.827Z", "dateReserved": "2021-01-25T00:00:00.000Z", "dateUpdated": "2025-10-21T23:25:37.960Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://jira.atlassian.com/browse/JRASERVER-72695", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:19.569Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-26086", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-13T14:08:00.786261Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2024-11-12", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086"}}}], "affected": [{"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_server", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_server", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_server", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_data_center", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_data_center", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "vendor": "atlassian", "product": "jira_data_center", "versions": [{"status": "affected", "version": "0", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "8.16.1", "versionType": "custom"}], "defaultStatus": "unknown"}], "timeline": [{"lang": "en", "time": "2024-11-12T00:00:00.000Z", "value": "CVE-2021-26086 added to CISA KEV"}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-11T18:57:44.143Z"}}], "cna": {"affected": [{"vendor": "Atlassian", "product": "Jira Server", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "unspecified", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "unspecified", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "8.16.1", "versionType": "custom"}]}, {"vendor": "Atlassian", "product": "Jira Data Center", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "8.5.14", "versionType": "custom"}, {"status": "affected", "version": "8.6.0", "lessThan": "unspecified", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "8.13.6", "versionType": "custom"}, {"status": "affected", "version": "8.14.0", "lessThan": "unspecified", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "8.16.1", "versionType": "custom"}]}], "datePublic": "2021-08-12T00:00:00.000Z", "references": [{"url": "https://jira.atlassian.com/browse/JRASERVER-72695", "tags": ["x_refsource_MISC"]}, {"url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Path Traversal"}]}], "providerMetadata": {"orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "shortName": "atlassian", "dateUpdated": "2021-10-05T16:06:16.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "8.5.14", "version_affected": "<"}, {"version_value": "8.6.0", "version_affected": ">="}, {"version_value": "8.13.6", "version_affected": "<"}, {"version_value": "8.14.0", "version_affected": ">="}, {"version_value": "8.16.1", "version_affected": "<"}]}, "product_name": "Jira Server"}, {"version": {"version_data": [{"version_value": "8.5.14", "version_affected": "<"}, {"version_value": "8.6.0", "version_affected": ">="}, {"version_value": "8.13.6", "version_affected": "<"}, {"version_value": "8.14.0", "version_affected": ">="}, {"version_value": "8.16.1", "version_affected": "<"}]}, "product_name": "Jira Data Center"}]}, "vendor_name": "Atlassian"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://jira.atlassian.com/browse/JRASERVER-72695", "name": "https://jira.atlassian.com/browse/JRASERVER-72695", "refsource": "MISC"}, {"url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html", "name": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Path Traversal"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-26086", "STATE": "PUBLIC", "ASSIGNER": "security@atlassian.com", "DATE_PUBLIC": "2021-08-12T00:00:00"}}}}, "cveMetadata": {"cveId": "CVE-2021-26086", "state": "PUBLISHED", "dateUpdated": "2025-10-21T23:25:37.960Z", "dateReserved": "2021-01-25T00:00:00.000Z", "assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "datePublished": "2021-08-16T00:15:09.827Z", "assignerShortName": "atlassian"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Jira Server", "vendor": "Atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.14.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Jira Data Center", "vendor": "Atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "8.14.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@atlassian.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "jira_server", "vendor": "atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "8.14.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "jira_server", "vendor": "atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "8.14.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "jira_server", "vendor": "atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "8.14.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "jira_data_center", "vendor": "atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "8.14.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "jira_data_center", "vendor": "atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "8.14.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "jira_data_center", "vendor": "atlassian", "versions": [{"lessThan": "8.5.14", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "8.13.6", "status": "affected", "version": "8.6.0", "versionType": "custom"}, {"lessThan": "8.16.1", "status": "affected", "version": "8.14.0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "cisaActionDue": "2024-12-03", "cisaExploitAdd": "2024-11-12", "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Atlassian Jira Server and Data Center Path Traversal Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "CEEBDB04-3699-4E5C-BF60-7052F6409D1B", "versionEndExcluding": "8.5.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "940CC48E-EC7D-42E1-838C-011D1C8CEF31", "versionEndExcluding": "8.13.6", "versionStartIncluding": "8.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA85B28C-6370-4D3A-A053-AEC6878971B4", "versionEndExcluding": "8.16.1", "versionStartIncluding": "8.14.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "D60CECC8-9041-4339-A764-7D8515C4120D", "versionEndExcluding": "8.5.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "753A6E31-7EAD-443E-8FC4-D01BB97844D7", "versionEndExcluding": "8.13.6", "versionStartIncluding": "8.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "703B1E15-8FC1-42F4-953D-0CF16829AB21", "versionEndExcluding": "8.16.1", "versionStartIncluding": "8.14.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1."}, {"lang": "es", "value": "Las versiones afectadas de Atlassian Jira Server y Data Center, permiten a atacantes remotos leer archivos particulares por medio de una vulnerabilidad de salto de ruta en el endpoint /WEB-INF/web.xml. Las versiones afectadas son anteriores a 8.5.14, desde versi\u00f3n 8.6.0 anteriores a 8.13.6, y desde versi\u00f3n 8.14.0 anteriores a 8.16.1."}], "id": "CVE-2021-26086", "lastModified": "2026-06-17T03:42:50.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-26086", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-13T14:08:00.786261Z", "version": "2.0.3"}}]}, "published": "2021-08-16T01:15:06.353", "references": [{"source": "security@atlassian.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"}, {"source": "security@atlassian.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://jira.atlassian.com/browse/JRASERVER-72695"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://jira.atlassian.com/browse/JRASERVER-72695"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086"}], "sourceIdentifier": "security@atlassian.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}