Gitea Open Source Git Server vulnerabilities

CVE-2026-20750 [CRITICAL] CWE-284 CVE-2026-20750: Gitea does not properly validate project ownership in organization project operations. A user with p Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization.

CVE-2026-20897 [CRITICAL] CWE-284 CVE-2026-20897: Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write 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.

CVE-2026-20912 [CRITICAL] CWE-284 CVE-2026-20912: Gitea does not properly validate repository ownership when linking attachments to releases. An attac Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.

CVE-2026-20736 [HIGH] CWE-284 CVE-2026-20736: Gitea does not properly verify repository context when deleting attachments. A user who previously u Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.

CVE-2026-20883 [MEDIUM] CWE-284 CVE-2026-20883: Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.

CVE-2026-20904 [MEDIUM] CWE-284 CVE-2026-20904: Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated use Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.

CVE-2026-20800 [MEDIUM] CWE-200 CVE-2026-20800: Gitea's notification API does not re-validate repository access permissions when returning notificat 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.

CVE-2026-20888 [MEDIUM] CWE-284 CVE-2026-20888: Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interf 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.

CVE-2026-0798 [LOW] CWE-284 CVE-2026-0798: Gitea may send release notification emails for private repositories to users whose access has been r Gitea may send release notification emails for private repositories to users whose access has been revoked. When a repository is changed from public to private, users who previously watched the repository may continue to receive release notifications, potentially disclosing release titles, tags, and content.

CVE-2024-6886 [CRITICAL] CWE-79 CVE-2024-6886: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerab Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea Gitea Open Source Git Server allows Stored XSS.This issue affects Gitea Open Source Git Server: 1.22.0.