Authorization Bypass Through User-Controlled Key Affecting code.gitea.io/gitea/services/lfs package, versions <1.25.4


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.42% (34th percentile)

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  • Snyk IDSNYK-GOLANG-CODEGITEAIOGITEASERVICESLFS-15091502
  • published25 Jan 2026
  • disclosed23 Jan 2026
  • creditspingARbor

Introduced: 23 Jan 2026

CVE-2026-20897  (opens in a new tab)
CWE-639  (opens in a new tab)

How to fix?

Upgrade code.gitea.io/gitea/services/lfs to version 1.25.4 or higher.

Overview

Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via improper validation of repository ownership in the delete process for Git LFS locks. An attacker can remove LFS locks from repositories they do not own by leveraging write access to a different repository.

CVSS Base Scores

version 4.0
version 3.1