CVE-2026-56768
Seahub before 13.0.23 does not enforce SHARE_LINK_LOGIN_REQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory trees.
Zwakheid
Seahub before 13.0.23 does not enforce SHARE_LINK_LOGIN_REQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory trees.
Bronnen
- https://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57
- https://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23cc
- https://github.com/haiwen/seahub/issues/9050
- https://plus.seafile.com/wiki/publish/seafile-wiki/v5D5/
- https://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-method
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