CVE-2026-20800

Description

Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.

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

Problem types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Product status

Credits

spingARbor reporter

References

github.com/.../gitea/security/advisories/GHSA-g54m-9f6g-wj7q (GitHub Security Advisory) vendor-advisory

github.com/go-gitea/gitea/pull/36339 (GitHub Pull Request #36339) 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-2026-20800)

nvd.nist.gov (CVE-2026-20800)

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