CVE-2026-44569 Open WebUI: Insecure Message Access Breaks Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, there's an IDOR in the channels message management system that allows authenticated users to modify or delete any message within channels they have read access to. The vulnerability...

CVE-2026-44569

Open WebUI CVE-2026-44569 describes an IDOR in the channel messages management system. Before version 0.6.19, authenticated users could modify or delete any message in channels they can read because message ownership validation was missing in the backend update/delete endpoints, even though the f...

CVE-2026-45386 Open WebUI: An IDOR vulnerability exists in the pin_channel_message API endpoint

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, Pin/Unpin is a write operation modifies the message's ispinned , pinnedby, pinnedat fields, but in standard channels it only checks read permission, allowing users with read-only...

CVE-2026-45386 Open WebUI: An IDOR vulnerability exists in the pin_channel_message API endpoint

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, Pin/Unpin is a write operation modifies the message's ispinned , pinnedby, pinnedat fields, but in standard channels it only checks read permission, allowing users with read-only...

CVE-2026-45386 Open WebUI: An IDOR vulnerability exists in the pin_channel_message API endpoint

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, Pin/Unpin is a write operation modifies the message's ispinned , pinnedby, pinnedat fields, but in standard channels it only checks read permission, allowing users with read-only...

CVE-2026-45386

Technical summary (CVE-2026-45386) Open WebUI’s pin_channel_message API endpoint exposes an IDOR vulnerability in standard channels. Prior to version 0.9.5, the endpoint checks only read permission for non-admin users, allowing read-only users to pin/unpin any message in channels where they have ...

CVE-2026-45385 Open WebUI: An IDOR vulnerability exists in the update_message_by_id API endpoint

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, an IDOR vulnerability exists in the Channels feature of Open WebUI, allowing any channel member to modify messages sent by other members including administrators within the same...

CVE-2026-45385

Summary (grounded): Open WebUI (self-hosted offline AI) contains an IDOR vulnerability in the update_message_by_id API for channels of type group/dm. In these paths, the code only verifies that the caller is a channel member (is_user_channel_member) and does not confirm message ownership, enablin...

EUVD-2026-30626

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, an IDOR vulnerability exists in the Channels feature of Open WebUI, allowing any channel member to modify messages sent by other members including administrators within the same...

CVE-2026-45385

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, an IDOR vulnerability exists in the Channels feature of Open WebUI, allowing any channel member to modify messages sent by other members including administrators within the same...

CVE-2026-45385 Open WebUI: An IDOR vulnerability exists in the update_message_by_id API endpoint

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, an IDOR vulnerability exists in the Channels feature of Open WebUI, allowing any channel member to modify messages sent by other members including administrators within the same...

CVE-2026-45385 Open WebUI: An IDOR vulnerability exists in the update_message_by_id API endpoint

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, an IDOR vulnerability exists in the Channels feature of Open WebUI, allowing any channel member to modify messages sent by other members including administrators within the same...

CVE-2026-44561

CVE-2026-44561 affects Open WebUI. The vulnerability arises in the is_user_channel_member check: before 0.9.0, the code verifies ChannelMember existence but ignores is_active, so deactivated members (status 'left', is_active=False) retain full read/write access to group/DM channels via direct API...

CVE-2026-45622

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, there is an unauthenticated reflected cross-site scripting XSS issue in the public product return form in Vvveb CMS. The customerorderid POST parameter is inserted into the...

CVE-2026-4053

CVE-2026-4053 affects Mattermost 11.5.x (11.5.0–11.5.1) and 10.11.x (10.11.0–10.11.13). The issue is that the system fails to enforce the PostEditTimeLimit on non‑message post fields, allowing an authenticated user to modify post file attachments, props, and pin status after the edit window has e...

EUVD-2026-30583

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, there is an unauthenticated reflected cross-site scripting XSS issue in the public product return form in Vvveb CMS. The customerorderid POST parameter is inserted into the...

CVE-2026-42245

A flaw was found in Net::IMAP, a Ruby library implementing the Internet Message Access Protocol IMAP client functionality. A hostile server can exploit a quadratic time complexity issue in the Net::IMAP::ResponseReader when processing large responses containing numerous string literals. This can...

Security update for firewalld

This update for firewalld fixes the following issue: CVE-2026-4948: local unprivileged users can modify the runtime firewall state without proper authentication due to D-Bus setter mis-authorizations bsc1260903. Patch Instructions: To install this SUSE update use the SUSE recommended installation...

Security Bulletin: Multiple vulnerabilities in IBM MQ Operator and Queue manager container images

Summary Multiple vulnerabilities were addressed in IBM MQ Operator and Queue manager container images Vulnerability Details CVEID:CVE-2026-29111 DESCRIPTION: systemd, a system and service manager, as PID 1 hits an assert and freezes execution when an unprivileged IPC API call is made with spuriou...

CVE-2026-43490

A flaw was found in ksmbd, a Linux kernel module that provides an in-kernel Server Message Block SMB server. A remote attacker could exploit this vulnerability by providing a malformed inheritable Access Control Entry ACE within a security descriptor. This could lead to an out-of-bounds read or...