CVE-2026-96399 Gitea - Denial of Service

Gitea contains a denial of service caused by invalid slice indexes from external issue tracker regex with alternating capture groups, letting users who can edit issue tracker settings crash the instance, exploit requires repository settings modification.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.35% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to the latest version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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