CVE-2026-96399
Description
AI Translation Available
A repository's external issue tracker regular expression containing alternating capture groups could produce invalid slice indexes when Gitea rendered issue references, causing a runtime panic that terminated the Gitea process. A user who can edit a repository's external issue tracker settings could make any later rendering of matching content, such as viewing a README, crash the instance for all users.
125
Out-of-bounds Read
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Availability
Other
Potential Impacts:
Read Memory
Bypass Protection Mechanism
Dos: Crash, Exit, Or Restart
Varies By Context
Applicable Platforms
Languages:
Memory-Unsafe, C, C++
Technologies:
ICS/OT
248
Uncaught Exception
DraftCommon Consequences
Security Scopes Affected:
Availability
Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart
Read Application Data
Applicable Platforms
Languages:
C++, Java, C#
https://blog.gitea.com/release-of-28.0.0/
https://github.com/go-gitea/gitea/pull/39354
https://github.com/go-gitea/gitea/releases/tag/v28.0.0
https://github.com/go-gitea/gitea/security/advisories/GHSA-mw6q-qj47-9g5q