Vulnerability in Kubernetes Ingress-Nginx
CVE-2025-1974
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.)
EPSS: 0.995 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kubernetes Ingress-nginx — versions 0, 1.12.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-1974?
- CVE-2025-1974 is a critical-severity vulnerability in Kubernetes Ingress-Nginx, classified under CWE-653. CVSS score: 9.8/10. Published 2025-03-25.
- How severe is CVE-2025-1974?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-1974 known to be exploited?
- 69 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.