What is CVE-2025-14727?

CVE-2025-14727 is a high-severity vulnerability in F5 Nginx Ingress Controller, classified under Path Traversal. CVSS score: 8.3/10. Published 2025-12-17.

How severe is CVE-2025-14727?

High severity. CVSS v3 base score is 8.3 out of 10.

Path Traversal in F5 Nginx Ingress Controller

CVE-2025-14727

A vulnerability exists in NGINX Ingress Controller's nginx.org/rewrite-target annotation validation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.004 (28.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

F5 Nginx Ingress Controller — versions 5.3.0, 5.2.0, 5.1.0
F5 Nginx_ingress_controller — versions 5.3.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

f5sirt@f5.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-14727?: CVE-2025-14727 is a high-severity vulnerability in F5 Nginx Ingress Controller, classified under Path Traversal. CVSS score: 8.3/10. Published 2025-12-17.
How severe is CVE-2025-14727?: High severity. CVSS v3 base score is 8.3 out of 10.