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...

Incorrect Default Permissions

Overview Affected versions of this package are vulnerable to Incorrect Default Permissions via the Agents plugin process. An attacker can access information about when users have read channels by querying channel member objects. Remediation Upgrade...

EUVD-2025-198045

Mattermost allows other users to determine when users had read channels via channel member objects...

CVE-2025-55074

Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability exists in Mattermost versions 10.11.x through 10.11.3 and 10.5.x through 10.5.11, which stems from a failure to enforce access permissions and could lead to determining when a...

EUVD-2017-6728

Malware in sbrugna...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. An Access Control Error vulnerability exists in Mattermost versions 9.5.x through 9.5.7 and 9.10.x through 9.10.0, which stems from a failure to enforce proper access control and can be exploited by an...

PT-2024-30675 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.5.x through 9.5.7 Mattermost versions 9.10.x through 9.10.0 Description: The issue is related to improper access controls, allowing any authenticated user, including guests, to mark any channel inside any team as read fo...

PT-2024-29301 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.5.x through 9.5.6 Mattermost versions 9.7.x through 9.7.5 Mattermost versions 9.8.x through 9.8.1 Mattermost versions 9.9.x through 9.9.0 Description: The issue allows a malicious remote actor to make an arbitrary local...

DEBIAN-CVE-2017-15268

Qemu through 2.10.0 allows remote attackers to cause a memory leak by triggering slow data-channel read operations, related to io/channel-websock.c...