CVE-2026-3433 Mattermost fails to scope role_updated websocket events to authorized team and channel members

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to restrict roleupdated websocket event broadcasts to members of the affected team or channel which allows an authenticated attacker with guest-level access to observe permission scheme change...

SQL Injection

XWiki Full Calendar Macro is vulnerable to SQL Injection. The vulnerability is due to a SQL injection vulnerability by accessing database info or starting a DoS attack, where users with the right to view the Calendar.JSONService page including guest users can exploit this issue and access databas...

CVE-2025-13874

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 Guest permissions to view issues in projects they were not authorized to access...

CVE-2025-13874 Authorization Bypass Through User-Controlled Key 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 Guest permissions to view issues in projects they were not authorized to access...

CVE-2025-13874

Removed by vendor...

Incorrect Authorization

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Incorrect Authorization via the group retrieval endpoint. An attacker can enumerate user IDs outside their allowed visibility scope by sending...

GHSA-MPC7-MM28-F6WQ Mattermost allows authenticated guest users to enumerate user IDs outside their allowed visibility scope

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

CVE-2026-3115

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

CVE-2026-3115

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

CVE-2026-33159

Craft CMS is a content management system CMS. From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions regenerate-yaml, apply-yaml-chang...

CVE-2026-33159 Craft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users

Craft CMS is a content management system CMS. From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions regenerate-yaml, apply-yaml-chang...

GHSA-XPVF-6QCC-9JQC Mattermost fails to validate team-specific upload_file permissions

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to validate team-specific uploadfile permissions which allows a guest user to post files in channels where they lack uploadfile permission via uploading files in a team where they have permission and reusing the file...

CVE-2026-4265

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to validate team-specific uploadfile permissions which allows a guest user to post files in channels where they lack uploadfile permission via uploading files in a team where they have permission and reusing the file...

CVE-2026-28696 Craft affected by IDOR via GraphQL @parseRefs

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, the GraphQL directive @parseRefs, intended to parse internal reference tags e.g., user:1:email, can be abused by both authenticated users and unauthenticated guests if a Public Schema is enabled to access sensitive...

EUVD-2026-9050

Out-of-bound read vulnerability in VMware Workstation 25H1 and below on any platform allows an actor with non-administrative privileges on a guest VM to obtain limited information disclosure from the machine where VMware Workstation is installed...

CVE-2026-24139 MyTube Allows Unauthorized Database Export by Guest Users

MyTube is a self-hosted downloader and player for several video websites. Versions 1.7.78 and below do not safeguard against authorization bypass, allowing guest users to download the complete application database. The application fails to properly validate user permissions on the database export...

CVE-2025-67077

File upload vulnerability in Omnispace Agora Project before 25.10 allowing authenticated, or under certain conditions also guest users, via the UploadTmpFile action...

CVE-2025-67077

File upload vulnerability in Omnispace Agora Project before 25.10 allowing authenticated, or under certain conditions also guest users, via the UploadTmpFile action...

CVE-2021-47819 ProjeQtOr Project Management 9.1.4 - Remote Code Execution

ProjeQtOr Project Management 9.1.4 contains a file upload vulnerability that allows guest users to upload malicious PHP files with arbitrary code execution capabilities. Attackers can upload a PHP script through the profile attachment section and execute system commands by accessing the uploaded...

CVE-2025-67077

File upload vulnerability in Omnispace Agora Project before 25.10 allowing authenticated, or under certain conditions also guest users, via the UploadTmpFile action...