CVE-2026-96399

Published: Oct 6, 2026Modified: Oct 13, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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.

Affected (1)

Products: Gitea: Gitea

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gitea Gitea	version < 28.0.0

Related CWEs

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Uncaught Exception

An exception is thrown from a function, but it is not caught.

References (4)

https://blog.gitea.com/release-of-28.0.0/

Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

Release Notes

https://github.com/go-gitea/gitea/pull/39354

Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

Patch

https://github.com/go-gitea/gitea/releases/tag/v28.0.0

Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

Release Notes

https://github.com/go-gitea/gitea/security/advisories/GHSA-mw6q-qj47-9g5q

Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

Vendor Advisory

Timeline

No history available yet.