CVE-2026-20888

Description

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.

PUBLISHED Reserved 2026-01-08 | Published 2026-01-22 | Updated 2026-01-23 | Assigner Gitea

Problem types

CWE-284: Improper Access Control

CWE-862: Missing Authorization

Product status

Credits

spingARbor reporter

References

github.com/.../gitea/security/advisories/GHSA-ccq9-c5hv-cf64 (GitHub Security Advisory) vendor-advisory

github.com/go-gitea/gitea/pull/36341 (GitHub Pull Request #36341) patch

github.com/go-gitea/gitea/pull/36356 (GitHub Pull Request #36356) patch

github.com/go-gitea/gitea/releases/tag/v1.25.4 (Gitea v1.25.4 Release) release-notes

blog.gitea.com/release-of-1.25.4/ (Gitea v1.25.4 Release Blog Post) release-notes

cve.org (CVE-2026-20888)

nvd.nist.gov (CVE-2026-20888)

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