CVE-2026-96399

UNKNOWN 0.0

Gitea denial of service through external issue tracker patterns

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-125 CWE-248
Vendor	gitea
Product	gitea
Published	Oct 6, 2026

Stay Ahead of the Next One

Get instant alerts for gitea gitea

Be the first to know when new unknown vulnerabilities affecting gitea gitea are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

Gitea / Gitea

0 ≤ 1.27.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/go-gitea/gitea/security/advisories/GHSA-mw6q-qj47-9g5q github.com: https://github.com/go-gitea/gitea/pull/39354 blog.gitea.com: https://blog.gitea.com/release-of-28.0.0/ github.com: https://github.com/go-gitea/gitea/releases/tag/v28.0.0

Credits

🔍 https://github.com/davue https://github.com/breken-ai https://github.com/wxiaoguang