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CVE-2026-20800

Notification API Leaks Private Repository Issue Titles After Collaborator Permission Revocation

CVSS 6.5 MEDIUMEPSS 0.3%CWE-200
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Produtos afetados
Gitea · Gitea Open Source Git Server

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Referências
https://blog.gitea.com/release-of-1.25.4/https://github.com/go-gitea/gitea/pull/36339https://github.com/go-gitea/gitea/releases/tag/v1.25.4https://github.com/go-gitea/gitea/security/advisories/GHSA-g54m-9f6g-wj7q