CVE-2026-93634

A cross-account authorization vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to insert forged shared-file records into another user's mailbox through FileSharedWithMeRequest. The request bypasses delegated-account authorization and accepts attacker-selected file...

CVE-2026-93634

A cross-account authorization vulnerability exists in Zimbra Collaboration Suite (ZCS) versions 10.1.16 and 10.1.20 . The flaw allows an authenticated user to insert forged shared-file records into another user's mailbox via the FileSharedWithMeRequest request. The system fails to validate a corr...

EUVD-2026-108974

A cross-account authorization vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to insert forged shared-file records into another user's mailbox through FileSharedWithMeRequest. The request bypasses delegated-account authorization and accepts attacker-selected file...

CVE-2026-93634 Zimbra Collaboration Suite Cross-Account Authorization Bypass via Forged Shared-File Records

A cross-account authorization vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to insert forged shared-file records into another user's mailbox through FileSharedWithMeRequest. The request bypasses delegated-account authorization and accepts attacker-selected file...

PT-2026-122115

A cross-account authorization vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to insert forged shared-file records into another user's mailbox through FileSharedWithMeRequest. The request bypasses delegated-account authorization and accepts attacker-selected file...