Improper input validation in Kubernetes Ingress-Nginx

CVE-2025-24513

A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where attacker-provided data are included in a filename by the ingress-nginx Admission Controller feature, resulting in directory traversal within the container. This could result in denial of service, or when combined with other vulnerabilities, limited disclosure of Secret objects from the cluster.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.035 (88.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-24513?
CVE-2025-24513 is a medium-severity vulnerability in Kubernetes Ingress-Nginx, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2025-03-25.
How severe is CVE-2025-24513?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2025-24513 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.