{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100255", "assignerOrgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "state": "PUBLISHED", "assignerShortName": "JetBrains", "dateReserved": "2026-09-25T17:02:02.872Z", "datePublished": "2026-09-30T15:17:46.112Z", "dateUpdated": "2026-10-01T03:55:44.754Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "shortName": "JetBrains", "dateUpdated": "2026-09-30T15:17:46.112Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-1289", "cweId": "CWE-1289"}]}], "affected": [{"vendor": "JetBrains", "product": "TeamCity", "versions": [{"version": "0", "status": "affected", "lessThan": "2026.2, \n2026.1.4, \n2025.11.8", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In JetBrains TeamCity before 2026.2, \n2026.1.4, \n2025.11.8 administrator account takeover was possible via password reset"}], "references": [{"url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-30T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-100255"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-01T03:55:44.754Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-100255", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-30T15:35:59.470507Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-30T15:43:03.432Z"}}], "cna": {"metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "JetBrains", "product": "TeamCity", "versions": [{"status": "affected", "version": "0", "lessThan": "2026.2, \n2026.1.4, \n2025.11.8", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "descriptions": [{"lang": "en", "value": "In JetBrains TeamCity before 2026.2, \n2026.1.4, \n2025.11.8 administrator account takeover was possible via password reset"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1289", "description": "CWE-1289"}]}], "providerMetadata": {"orgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "shortName": "JetBrains", "dateUpdated": "2026-09-30T15:17:46.112Z"}}}, "cveMetadata": {"cveId": "CVE-2026-100255", "state": "PUBLISHED", "dateUpdated": "2026-10-01T03:55:44.754Z", "dateReserved": "2026-09-25T17:02:02.872Z", "assignerOrgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "datePublished": "2026-09-30T15:17:46.112Z", "assignerShortName": "JetBrains"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "TeamCity", "vendor": "JetBrains", "versions": [{"lessThan": "2026.2, \n2026.1.4, \n2025.11.8", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@jetbrains.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*", "matchCriteriaId": "90B7BA91-8570-4A95-9C06-ABC6182E00A8", "versionEndExcluding": "2025.11.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*", "matchCriteriaId": "E68D7A2A-EDCD-4BEF-B205-F6000B6A9AA9", "versionEndExcluding": "2026.1.4", "versionStartIncluding": "2026.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In JetBrains TeamCity before 2026.2, \n2026.1.4, \n2025.11.8 administrator account takeover was possible via password reset"}], "id": "CVE-2026-100255", "lastModified": "2026-10-02T20:46:45.227", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "cve@jetbrains.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-100255", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-30T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-09-30T16:16:56.100", "references": [{"source": "cve@jetbrains.com", "tags": ["Vendor Advisory"], "url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "sourceIdentifier": "cve@jetbrains.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1289"}], "source": "cve@jetbrains.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2026.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "TeamCity", "source": "cna", "vendor": "JetBrains"}, "product": "teamcity", "vendor": "jetbrains"}], "created": "2026-09-30T20:15:05.605723+00:00", "title": "Administrator Account Takeover via Password Reset in JetBrains TeamCity", "updated": "2026-10-01T00:00:11.471028+00:00", "vendors": ["jetbrains", "jetbrains$PRODUCT$teamcity"]}