Medium 4.3Published Jan 22, 2026

CVE-2026-20888Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)

Updated under an hour ago (Oct 27, 2026, 10:10 PM ET)

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It affects Gitea Open Source Git Server and 1 other product. 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 verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.

CVSS: 4.3 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-284, CWE-862
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: Analyzed
Record last updated: Jan 23, 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
gitea gitea gitea:gitea	before 1.25.4	NVD

References

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64	vendor-advisory, broken-link
https://github.com/go-gitea/gitea/pull/36341	patch, issue-tracking
https://github.com/go-gitea/gitea/pull/36356	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

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.