Main Vulnerability Database Vulnerabilities #VU136605

Improper Authorization in Gitea - CVE-2026-58422

Published: July 1, 2026 / Updated: July 1, 2026

Vulnerability identifier: #VU136605

CSH Severity: Medium

CVSS v4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-58422

CWE-ID: CWE-285

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to insufficient authorization controls in OAuth2 sign-in callback. A remote user can gain read and write access on the target system.

Affected software

Gitea

How to mitigate CVE-2026-58422

Install updates from vendor's website.

Gitea - update to 1.26.4

Links to Public Exploits and PoC-codes

Exploit #12791 - Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts (July 1, 2026)

External References

https://github.com/go-gitea/gitea/security/advisories/GHSA-g9g6-qhrc-p3qc

Related Security Bulletins

Improper Authorization in Gitea