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 2025-03-24.

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?

68 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

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…

EPSS: 0.911 (99.7th 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)

CWE-653

Public proof-of-concept exploits

References

https://github.com/kubernetes/kubernetes/issues/131009

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 2025-03-24.
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?: 68 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.