CVE-2026-2299 Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

SUSE CVE-2026-2458

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to properly validate team membership when searching channels which allows a removed team member to enumerate all public channels within a private team via the channel search API endpoint.. Mattermost Advisory ID:...

CVE-2026-2458

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to properly validate team membership when searching channels which allows a removed team member to enumerate all public channels within a private team via the channel search API endpoint.. Mattermost Advisory ID:...

CVE-2026-2458

Mattermost is affected by CVE-2026-2458. Affected versions include 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, and 10.11.x

CVE-2026-30236

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, when editing a project budget and planning the labor cost, it was not checked that the user that was planned in the budget is actually a project member. This exposed the user's default rate if one was set up to...

CVE-2026-30236 OpenProject users that are not project members can be used to calculate Labor Budget, leaking their global hourly rate

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, when editing a project budget and planning the labor cost, it was not checked that the user that was planned in the budget is actually a project member. This exposed the user's default rate if one was set up to...

PT-2026-24740

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, when editing a project budget and planning the labor cost, it was not checked that the user that was planned in the budget is actually a project member. This exposed the user's default rate if one was set up to...

CVE-2025-14350

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to properly validate team membership when processing channel mentions which allows authenticated users to determine the existence of teams and their URL names via posting channel shortlinks and observing the...

CVE-2025-14350

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to properly validate team membership when processing channel mentions which allows authenticated users to determine the existence of teams and their URL names via posting channel shortlinks and observing the...

PT-2026-8340

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.9 Mattermost versions 11.1.x through 11.1.2 Mattermost versions 11.2.x through 11.2.1 Description The software does not properly validate team membership when processing channel mentions. This allows...

CVE-2025-11777

Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization due to properly validating team membership permissions in the Add Channel Member API. An attacker can obtain unauthorized access to user metadata and channel membership information from other teams by sending...

EUVD-2025-175343

Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...

CVE-2025-11777 Cross-team channel membership access

Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...

EUVD-2020-5595

Malware in sbrugna...

EUVD-2023-58777

Malicious code in bioql PyPI...

EUVD-2023-44262

Malicious code in bioql PyPI...

Mattermost Incorrect Authorization vulnerability

Mattermost versions 10.5.x = 10.5.5, 9.11.x = 9.11.15, 10.8.x = 10.8.0, 10.7.x = 10.7.2, 10.6.x = 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive informatio...

CVE-2020-13335

Improper group membership validation when deleting a user account in GitLab =7.12 allows a user to delete own account without deleting/transferring their group...

PT-2024-18409 · Lunary · Lunary

Name of the Vulnerable Software and Affected Versions: lunary-ai/lunary affected versions not specified Description: The issue allows a removed user to change the organization name without proper authorization due to the lack of validation to check if a user is still part of an organization befor...