CVE-2023-23397-PoW

CVE-2023-23397-PoW Proof of Work of CVE-2023-23397 for vulnerable Microsoft Outlook client application. For educational and research puproses only. CVE-2023-23397 preview This CVE aimed to retrieve NetNTLM hash logged in user from Microsoft Outlook client version 2016 except last patched version...

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-2026-115786

A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to consume another user’s mailbox quota by repeatedly sharing and revoking a document. Creation of the recipient’s shared-file record charges the document size to mailbox-wide usage. Revocation...

CVE-2026-115786 Zimbra Collaboration Suite Shared-File Mailbox Quota Accounting Error Enables Quota Exhaustion

A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to consume another user’s mailbox quota by repeatedly sharing and revoking a document. Creation of the recipient’s shared-file record charges the document size to mailbox-wide usage. Revocation...

CVE-2026-115786

A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite (ZCS) versions 10.1.16 and 10.1.20 allows an authenticated user to exhaust another user's mailbox quota. The root cause is an incorrect calculation (CWE-682) where creating a shared-file record charges the document size to mai...

EUVD-2026-109080

A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to consume another user’s mailbox quota by repeatedly sharing and revoking a document. Creation of the recipient’s shared-file record charges the document size to mailbox-wide usage. Revocation...

CVE-2026-115786 Zimbra Collaboration Suite Shared-File Mailbox Quota Accounting Error Enables Quota Exhaustion

A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to consume another user’s mailbox quota by repeatedly sharing and revoking a document. Creation of the recipient’s shared-file record charges the document size to mailbox-wide usage. Revocation...

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...

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...

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...

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...

Zimbra Collaboration Suite authorization issue vulnerability

Zimbra Collaboration Suite versions 10.1.20 and earlier contain an authorization issue vulnerability. This vulnerability arises because FileSharedWithMeRequest requests bypass the authorization check for delegated accounts. Without proper validation of document sharing, the system accepts file...

PT-2026-122108

A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite ZCS allows an authenticated user to consume another user’s mailbox quota by repeatedly sharing and revoking a document. Creation of the recipient’s shared-file record charges the document size to mailbox-wide usage. Revocation...

Multiple vulnerabilities in SHIRASAGI

Overview SHIRASAGI provided by SHIRASAGI Project contains multiple vulnerabilities listed below. Cross-site scripting CWE-79 - CVE-2026-81635 Authorization bypass CWE-639 - CVE-2026-82582 CVE-2026-81635 Tonosaki Aoba of Tokyo Denki University remote control Laboratory reported this vulnerability ...

CVE-2026-82582

An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files from the groupware's shared file feature...

CVE-2026-82582: Authorization Bypass Through User-Controlled Key

An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files from the groupware's shared file feature...

PT-2026-89296

An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files from the groupware's shared file feature...

CVE-2026-82237

filebrowser through 2.63.23 does not remove share records when a shared file is renamed only deletion triggers share cleanup. The share record is keyed by path, so it survives the rename and remains dormant returning 404 while the path is empty. When any new, unrelated file later appears at the...