CVE-2026-96404 Gitea - Authentication Bypass

Gitea contains an authentication bypass caused by the web installer issuing sessions for existing users without password verification when INSTALL_LOCK is false, letting attackers gain admin access, exploit requires installer access.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.44% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to the latest version where INSTALL_LOCK cannot be reset or installer access is secured.

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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