Vulnerability · CVE-2025-14727
A vulnerability exists in NGINX Ingress Controller's nginx.org/rewrite-target annotation validation.
Published Dec 17, 2025 · catalog updated Feb 26, 2026 · F5 NGINX Ingress Controller
Last checked Oct 30, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-14727. EPSS is 0.43%. Act only if a listed version of F5 NGINX Ingress Controller is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-104939 · High
- CVE-2026-94197 · High
- Severity
- High8.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.43%
- Remediation
- Version ranges on file
- Affected products
- vendor F5 NGINX Ingress Controller 5.3.0 <5.3.1
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor F5 NGINX Ingress Controller 5.3.0 <5.3.15.3.0 <5.3.1
How to fix CVE-2025-14727
Upgrade
CVE-2025-14727 lists a fix boundary at 5.3.1. Compare the installed build with that boundary before you change production.
Version check
Seen in 5.3.0 <5.3.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-14727. EPSS is 0.43%. Act only if a listed version of F5 NGINX Ingress Controller is installed.
Which versions are affected?
Compare what you have installed with F5 NGINX Ingress Controller 5.3.0 <5.3.1 5.3.0 <5.3.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 17, 2025 · EUVD
Detected
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.
Feb 26, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-14727
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-14727
30-day exploitation probability 0.43%
first.org - EUVDVulnerability recordEUVD-2025-203903
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.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 30, 2026
- FIRST EPSSOct 30, 2026
- EUVDOct 30, 2026