CVE-2025-1974

ingress-nginx admission controller RCE escalation

Published Mar 24, 2025 CVSS 3.1 · 9.8 Critical EPSS 99.4% KEV · Not listed
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.)

Remediation

Vendor Workaround

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

Tracking

Sign in to view the affected projects.

Advisories

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

Type Values Removed Values Added
Metrics epss

{'score': 0.87048}

epss

{'score': 0.87073}

Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
kubernetes
Published
Updated
Feb 26, 2026, 7:09 PM
Reserved
Mar 4, 2025, 9:34 PM
Status
Deferred
Published
Mar 25, 2025, 12:15 AM
Modified
Jun 17, 2026, 8:40 AM
Severity
Public date
Mar 24, 2025, 11:28 PM