Authentication Bypass in Gitea Affects Repository Security
CVE-2026-58423

7.7HIGH

Key Information:

Vendor

Gitea

Status
Gitea Open Source Git Server
Vendor
CVE Published:
3 July 2026

What is CVE-2026-58423?

A vulnerability in Gitea allows an attacker to bypass authentication through a malformed SSH sub-verb, which can lead to unauthorized read access to private repositories. This flaw presents significant security implications for users relying on Gitea for hosting sensitive or proprietary code. Users are advised to update to the latest version to mitigate this risk.

Affected Version(s)

Gitea Open Source Git Server 1.23.0 <= 1.26.2

References

https://github.com/go-gitea/gitea/security/advisories/GHS...
vendor-advisory
https://github.com/go-gitea/gitea/pull/38008
patch
https://github.com/go-gitea/gitea/releases/tag/v1.26.4
release-notes

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tomer-PL
.