CVE-2026-20897

CRITICAL EPSS 33.2%
Published Jan 22, 20265mo ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Jan 22, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

Description

Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
33.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-284
CWE-639

Affected Products 1

VendorProductVersionRange
giteagitea* <1.25.4

References 5

  • blog.gitea.com https://blog.gitea.com/release-of-1.25.4/
    Release Notes
  • github.com https://github.com/go-gitea/gitea/pull/36344
    Issue TrackingPatch
  • github.com https://github.com/go-gitea/gitea/pull/36349
    Issue TrackingPatch
  • github.com https://github.com/go-gitea/gitea/releases/tag/v1.25.4
    Release Notes
  • github.com https://github.com/go-gitea/gitea/security/advisories/GHSA-rrq5-r9h5-pc7c
    Broken Link

Remediation

  • github.com https://github.com/go-gitea/gitea/pull/36344
    Issue TrackingPatch
  • github.com https://github.com/go-gitea/gitea/pull/36349
    Issue TrackingPatch