CVE-2026-44559 Open WebUI: Missing Access Check on Channel Members Endpoint for Standard Channels

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the GET /api/v1/channels/id/members endpoint only checks membership for group and dm channel types lines 467-469. For standard channels — including private ones — there is no...

CVE-2026-44561 Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the isuserchannelmember function checks whether a ChannelMember row exists but does not check the isactive field. When a user is deactivated from a group or DM channel removed by the...

CVE-2026-44561 Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the isuserchannelmember function checks whether a ChannelMember row exists but does not check the isactive field. When a user is deactivated from a group or DM channel removed by the...

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-2026-44561 Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the isuserchannelmember function checks whether a ChannelMember row exists but does not check the isactive field. When a user is deactivated from a group or DM channel removed by the...

BIT-GITLAB-2026-8144 Missing Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.5 contained security vulnerabilities. These vulnerabilities stemmed from insecure direct object reference vulnerabilities in the channel functionality. The...

CVE-2026-8144

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

CVE-2026-8144

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

UBUNTU-CVE-2026-8144

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

CVE-2026-8144 Missing Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

CVE-2026-8144

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

CVE-2026-8144 Missing Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

EUVD-2026-30241

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks...

CVE-2026-8144

GitLab CE/EE had an authorization check flaw that could allow an authenticated user with project membership to enumerate private group members. Affected versions: 15.1–18.9.6, 15.1–18.10.5, and 15.1–18.11.2. Remediation was applied in patch releases: 18.9.7, 18.10.6, and 18.11.3 respectively. Imp...

GitLab 安全漏洞

GitLab is an end-to-end software development platform provided by the American company GitLab. It includes built-in features such as version control, issue tracking, code review, and CI/CD Continuous Integration and Delivery. Vulnerabilities exist in versions of GitLab CE/EE before 18.9.7, 18.10....

PT-2026-40879

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 15.1 through 18.9.6 GitLab CE/EE versions 18.10 through 18.10.5 GitLab CE/EE versions 18.11 through 18.11.2 Description An issue exists where an authenticated user with project membership can enumerate private group...

ShellHub 安全漏洞

ShellHub is an open-source remote device access and management platform developed by ShellHub. Versions of ShellHub prior to 0.24.2 contained security vulnerabilities. These vulnerabilities stemmed from the GET /api/namespaces/:tenant request, which returned complete namespace objects, including...

cPanel 安全漏洞

cPanel is a web-based automated hosting platform developed by the cPanel company in the United States. This platform is primarily used for automating the management of websites and servers. cPanel has security vulnerabilities, which stem from improper permission authorization checks by team...

Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Deactivated Channel Members Retain Full Access to Group/DM Channels Affected Component Channel membership authorization check: - backend/openwebui/models/channels.py lines 663-673, isuserchannelmember - Used at 15 locations in backend/openwebui/routers/channels.py Affected Versions Current main...