High severity8.8NVD Advisory· Published Jan 21, 2025· Updated Jun 17, 2026
CVE-2025-23369
CVE-2025-23369
Description
An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed signature spoofing for unauthorized internal users. Instances not utilizing SAML single sign-on or where the attacker is not already an existing user were not impacted. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12.14, 3.13.10, 3.14.7, 3.15.2, and 3.16.0. This vulnerability was reported via the GitHub Bug Bounty program.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2<3.12.14, <3.13.10, <3.14.7, <3.15.2, <3.16.0+ 1 more
- (no CPE)range: <3.12.14, <3.13.10, <3.14.7, <3.15.2, <3.16.0
- (no CPE)range: 3.12.0
Patches
Vulnerability mechanics
References
4- docs.github.com/en/enterprise-server@3.12/admin/release-notesnvdRelease Notes
- docs.github.com/en/enterprise-server@3.13/admin/release-notesnvdRelease Notes
- docs.github.com/en/enterprise-server@3.14/admin/release-notesnvdRelease Notes
- docs.github.com/en/enterprise-server@3.15/admin/release-notesnvdRelease Notes
News mentions
1- The Fragile Lock: Novel Bypasses For SAML AuthenticationPortSwigger Research · Dec 10, 2025