Path traversal in NGINX Ingress Controller - CVE-2025-14727
Published: December 19, 2025
Vulnerability identifier: #VU120226
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-14727
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated user with ingress creation privileges can inject arbitrary NGINX configuration directives and gain access to sensitive information or escalate privileges.
Affected software
NGINX Ingress Controller
How to mitigate CVE-2025-14727
Install updates from vendor's website.
NGINX Ingress Controller - update to 5.3.1