CVE-2026-20897

9.1 CRITICAL
Published: January 22, 2026 Modified: January 29, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.gitea.com/release-of-1.25.4/
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2
Release Notes
https://github.com/go-gitea/gitea/pull/36344
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2
Issue Tracking Patch
https://github.com/go-gitea/gitea/pull/36349
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2
Issue Tracking Patch
https://github.com/go-gitea/gitea/releases/tag/v1.25.4
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2
Release Notes
https://github.com/go-gitea/gitea/security/advisories/GHSA-rrq5-r9h5-pc7c
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2
Broken Link

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
0.0%
3th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

gitea