Description
A security issue was discovered in Kubernetes where under certain conditions, an unauthenticated attacker with access to the pod network can achieve arbitrary code execution in the context of the ingress-nginx controller. This can lead to disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)
Published: 2025-03-25
Score: 9.8 Critical
EPSS: 99.4% High
KEV: No
AI Analysis

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Remediation

Vendor Workaround

Before applying the patch, this issue can be mitigated by disabling the Validating Admission Controller functionality of ingress-nginx.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-mgvx-rpfc-9mpv ingress-nginx admission controller RCE escalation
History

Fri, 27 Feb 2026 00:15:00 +0100

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 04 Feb 2026 21:30:00 +0100

Type Values Removed Values Added
References

Mon, 10 Nov 2025 19:30:00 +0100

Type Values Removed Values Added
References

Mon, 03 Nov 2025 22:30:00 +0100

Type Values Removed Values Added
References

Wed, 16 Jul 2025 15:45:00 +0200

Type Values Removed Values Added
Metrics epss

{'score': 0.87048}

epss

{'score': 0.87073}


Wed, 28 May 2025 19:15:00 +0200

Type Values Removed Values Added
References

Thu, 22 May 2025 05:00:00 +0200


Wed, 26 Mar 2025 03:15:00 +0100


Tue, 25 Mar 2025 15:15:00 +0100

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 25 Mar 2025 00:45:00 +0100

Type Values Removed Values Added
Description A security issue was discovered in Kubernetes where under certain conditions, an unauthenticated attacker with access to the pod network can achieve arbitrary code execution in the context of the ingress-nginx controller. This can lead to disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)
Title ingress-nginx admission controller RCE escalation
Weaknesses CWE-653
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Kubernetes Ingress-nginx
cve-icon MITRE

Status: PUBLISHED

Assigner: kubernetes

Published:

Updated: 2026-02-26T19:09:14.726Z

Reserved: 2025-03-04T21:34:07.543Z

Link: CVE-2025-1974

cve-icon Vulnrichment

Updated: 2026-02-04T19:33:52.767Z

cve-icon NVD

Status : Deferred

Published: 2025-03-25T00:15:14.753

Modified: 2026-06-17T08:40:27.847

Link: CVE-2025-1974

cve-icon Redhat

Severity :

Publid Date: 2025-03-24T23:28:48Z

Links: CVE-2025-1974 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-07-21T17:17:49Z

Weaknesses
  • CWE-653

    Improper Isolation or Compartmentalization