Critical 9.1Published Jan 22, 2026

CVE-2026-20897Gitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)

Updated under an hour ago (Oct 27, 2026, 7:50 PM ET)

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It affects Gitea Open Source Git Server and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Gitea Open Source Git Server

Exploited in the last 30 days

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 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-284, CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Gitea
NVD analysis: Modified
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Gitea Gitea Open Source Git Server gitea:open_source_git_server (from the name)	through 1.25.3	CNA record
Red Hat OpenShift Pipelines redhat:openshift_pipelines	1	CISA ADP
gitea gitea gitea:gitea	before 1.25.4	NVD

References

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-rrq5-r9h5-pc7c	vendor-advisory, broken-link
https://github.com/go-gitea/gitea/pull/36344	patch, issue-tracking
https://github.com/go-gitea/gitea/pull/36349	patch, issue-tracking
https://github.com/go-gitea/gitea/releases/tag/v1.25.4	release-notes
https://blog.gitea.com/release-of-1.25.4/	release-notes
https://access.redhat.com/security/cve/CVE-2026-20897
https://bugzilla.redhat.com/show_bug.cgi?id=2432204
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20897.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.