SB2025121946 - Path traversal in NGINX Ingress Controller



SB2025121946 - Path traversal in NGINX Ingress Controller

Published: December 19, 2025

Security Bulletin ID SB2025121946
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2025-14727)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 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/E:U/U:Green


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. 


Remediation

Install update from vendor's website.