NGINX Ingress Controller Annotation Validation Flaw in rewrite-target Annotation
CVE-2025-14727 Published on December 17, 2025
NGINX Ingress Controller vulnerability
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 Analysis
CVE-2025-14727 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2025-14727 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2025-14727
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Affected Versions
F5 NGINX Ingress Controller:- Version 5.3.0 and below 5.3.1 is affected.
- Version 5.2.0 and below * is unaffected.
- Version 5.1.0 and below * is unaffected.
- Version 5.0.0 and below * is unaffected.
- Version 4.0.0 and below * is unaffected.
- Version 3.0.0 and below * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.