Improper Verification of Cryptographic Signature in Gitea - CVE-2026-58426
Published: July 1, 2026
Vulnerability identifier: #VU136614
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-58426
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due a cross-task and cross-repository authorization bypass in Actions artifact handling. A remote user can read/write artifacts on the system.
Affected software
Gitea
How to mitigate CVE-2026-58426
Install updates from vendor's website.
Gitea - update to 1.26.2