Zimbra Collaboration Suite < 8.8.15 - Improper Encoding

An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 update 1, as exploited in the wild starting in December 2021. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing...

Zimbra Collaboration - Cross-Site Scripting (XSS)

An issue was discovered in Zimbra Collaboration ZCS 9.0 and 10.0. A Cross-Site Scripting XSS vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this v...

Zimbra Collaboration (ZCS) - Cross Site Scripting

A reflected cross-site scripting XSS vulnerability in the /public/launchNewWindow.jsp component of Zimbra Collaboration aka ZCS 9.0 allows unauthenticated attackers to execute arbitrary web script or HTML via request parameters. id: CVE-2022-27926 info: name: Zimbra Collaboration ZCS - Cross Site...

Zimbra Collaboration Suite 8.8.15/9.0 - Remote Code Execution

Zimbra Collaboration Suite ZCS 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authentication i.e., not having an authtoken, an attacker can upload arbitrary files to the system, leading to directory traversal and remote code...

Zimbra Collaboration Suite (ZCS) v.8.8.15 - Cross-Site Scripting

Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function. id: CVE-2023-34192 info: name: Zimbra Collaboration Suite ZCS v.8.8.15 - Cross-Site Scripting author: ritikchaddha...

Zimbra Collaboration Suite - SSRF

Zimbra Collaboration Suite before 8.6 patch 13, 8.7.x before 8.7.11 patch 10, and 8.8.x before 8.8.10 patch 7 or 8.8.x before 8.8.11 patch 3 allows SSRF via the ProxyServlet component. id: CVE-2019-9621 info: name: Zimbra Collaboration Suite - SSRF author: riteshs4hu severity: high description: |...

Zimbra Collaboration Suite - Memcached Command Injection

Zimbra Collaboration Suite versions 8.8.15 and 9.0 contain a memcached command injection vulnerability that allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance, leading to cache poisoning and potential credential theft. id: CVE-2022-27924 info: name:...

CVE-2026-59715

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with alwaysconnect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requirin...

CVE-2026-59715

Affected software: Open WebUI self-hosted AI platform. Vulnerability: Unauthenticated access to collaborative-document Socket.IO handlers (ydoc:awareness:update, ydoc:document:leave) that accepted events without authenticated user, enabling unauthorized manipulation of document collaboration stat...

EUVD-2026-42623

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with alwaysconnect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requirin...

CVE-2026-59715

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with alwaysconnect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requirin...

CVE-2026-59715 Open WebUI: Unauthenticated WebSocket Access to Collaborative Document Handlers (ydoc:awareness:update, ydoc:document:leave)

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with alwaysconnect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requirin...

CVE-2026-59715 Open WebUI: Unauthenticated WebSocket Access to Collaborative Document Handlers (ydoc:awareness:update, ydoc:document:leave)

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with alwaysconnect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requirin...

PT-2026-56832

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.6.16 through 0.9.x Description The Socket.IO server is configured with always connect=True, which allows the ydoc:awareness:update and ydoc:document:leave Socket.IO handlers to accept collaborative-document events without...

DEBULL Tooling Abuses Microsoft Device-Code Flow to Target M365 Accounts

A Microsoft 365 device code phishing campaign has been observed leveraging collaboration-themed lures to take control of victim accounts between the last week of June 2026 and into early July, per findings from ZeroBEC. "The campaign did not depend on a fake Microsoft password page. It used a...

PYSEC-2026-2007 vantage6 collaboration admins can extend their influence by expanding the collaboration

Impact Collaboration administrators can add extra organizations to their collaboration. When doing that, they extend their influence: for instance, for organizations that they include, they can then create new users for which they know the passwords, and use that to read task results of other...

Zimbra Collaboration - Unrestricted File Upload

An issue was discovered in Zimbra Collaboration ZCS 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole extraction to /opt/zimbra/jetty/webapps/zimbra/public that can lead to incorrect access to any other user accounts. Zimbra recommends pax over cpio. Also,...

CVE-2026-52804

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3...

CVE-2026-52804 Gogs: Privilege Escalation via Collaboration Access Mode Validation

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3...

CVE-2026-52804

Summary (concrete details from provided sources): CVE-2026-52804 affects Gogs prior to 0.14.3, enabling a repository admin collaborator to escalate to owner-level access through an off-by-one error in ChangeCollaborationAccessMode. The vulnerability is triggered via mode=4 (Owner) being accepted ...