Review reviewCritical

CVE-2026-20897

Gitea Gitea Open Source Git Server, OpenShift Pipelines, gitea

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
9.1
EPSS
0.41%
34.2% percentile
CISA KEV
Not listed
Published
2026.01.23
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.41%
Technical severityCVSS 9.1

Vulnerability overview

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.

Affected product and versions

Product
Gitea Gitea Open Source Git Server, OpenShift Pipelines, gitea
Affected versions
<= 1.25.3, < 1.25.4
Fixed versions
1.25.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Gitea Gitea Open Source Git Server, OpenShift Pipelines, gitea and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
CWE-284, CWE-639