CVE-2026-78433

Gitea's web attachment handler skips its cross-repository ownership check for attachments created before 16 January 2026 and checks permissions against the repository named in the request URL instead. An unauthenticated attacker who knows a private attachment's UUID can request it through a publi...

CVE-2026-78433

Gitea's web attachment handler skips its cross-repository ownership check for attachments created before 16 January 2026 and checks permissions against the repository named in the request URL instead. An unauthenticated attacker who knows a private attachment's UUID can request it through a publi...

CVE-2026-78433 Gitea private attachment disclosure through repository mismatch

Gitea's web attachment handler skips its cross-repository ownership check for attachments created before 16 January 2026 and checks permissions against the repository named in the request URL instead. An unauthenticated attacker who knows a private attachment's UUID can request it through a publi...

EUVD-2026-101111

Gitea's web attachment handler skips its cross-repository ownership check for attachments created before 16 January 2026 and checks permissions against the repository named in the request URL instead. An unauthenticated attacker who knows a private attachment's UUID can request it through a publi...

CVE-2026-78433

The web attachment handler contains a guard that rejects a request for an attachment made through a repository other than the one that owns it. That guard is applied only to attachments created after 16 January 2026; older attachments skip it even when their owning-repository id is correctly...