CVE-2025-14727CWE-22

NGINX Ingress Controller vulnerability

High · published December 17, 2025

CVSS v4.0
8.7
EPSS
0%
Percentile
36.6
In the wild
Unconfirmed
What it is

⚡ A sneaky annotation validation issue in the NGINX Ingress Controller could let attackers take the wheel! 🚗💨 Think of it like a restaurant that lets customers change their food orders without checking for allergens — it’s a risky move that could lead to disastrous consequences for everyone involved! An attacker could exploit this vulnerability to manipulate request handling, potentially leading to unauthorized access or data exposure. This could compromise your entire system, leaving sensitive information at the mercy of malicious actors. Absolutely devastating!

Put simply

Think of it like a restaurant that lets customers change their food orders without checking for allergens — it’s a risky move that could lead to disastrous consequences for everyone involved! This vulnerability stems from improper validation of the 'nginx.org/rewrite-target' annotation, allowing attackers to influence the behavior of the NGINX server and potentially gain control over request routing and processing.

What to do

An attacker could exploit this vulnerability to manipulate request handling, potentially leading to unauthorized access or data exposure. This could compromise your entire system, leaving sensitive information at the mercy of malicious actors. Absolutely devastating! To protect yourself, ensure you’re running the latest version of the NGINX Ingress Controller. Implement strict input validation for annotations and regularly audit your configurations. Don’t wait — patch this vulnerability ASAP! You’ve got this! Follow these steps, and you’ll have your defenses bolstered in no time. 🛡️

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
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
EPSS
0.00434 · 36.6th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2025-12-17T15:48Z
EPSS history
Timeline
  • 17 DEC 15:48Z
    NGINX Ingress Controller vulnerability
    cvelistv5