GO-2026-5651 Mattermost doesn't check the create_post channel permission during post edit operations in github.com/mattermost/mattermost-server

Mattermost doesn't check the createpost channel permission during post edit operations in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

CVE-2026-3637

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to check the createpost channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post update and...

Mattermost doesn't check the create_post channel permission during post edit operations

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to check the createpost channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post update and...

GHSA-V549-XX3C-6PC8 Mattermost doesn't check the create_post channel permission during post edit operations

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to check the createpost channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post update and...

CVE-2026-3637 Mattermost fails to enforce create_post permission when editing posts

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to check the createpost channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post update and...

CVE-2026-3637 Mattermost fails to enforce create_post permission when editing posts

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to check the createpost channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post update and...

EUVD-2026-30741

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to check the createpost channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post update and...

Mattermost security vulnerabilities

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost such as 11.5.1 and earlier 11.5.x series, 10.11.13 and earlier 10.11.x series, and 11.4.3 and earlier 11.4.x series have security vulnerabilities. These vulnerabilities stem fr...

EUVD-2026-11134

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

DEBIAN-CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906 WordPress 6.9 - 6.9.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Note Creation via REST API

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906

CVE-2026-3906 affects WordPress core (versions 6.9–6.9.1). The vulnerability resides in the REST API endpoint used by the block editor's Notes feature, where create_item_permissions_check() does not verify that the authenticated user has edit_post permission on the target post when creating a not...

CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-1942

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the b2scurationdraft AJAX action in all versions up to, and including, 8.7.4. The curationDraft function only verifies...

CVE-2026-1942

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the b2scurationdraft AJAX action in all versions up to, and including, 8.7.4. The curationDraft function only verifies...

Sql injection

Unvalidated input in the AccessPress Social Icons plugin, versions before 1.8.1, did not sanitise its widget attribute, allowing accounts with post permission, such as author, to perform SQL injections...

CVE-2021-24143 AccessPress Social Icons < 1.8.1 - Authenticated SQL Injection

Unvalidated input in the AccessPress Social Icons plugin, versions before 1.8.1, did not sanitise its widget attribute, allowing accounts with post permission, such as author, to perform SQL injections...

CVE-2021-24143

Unvalidated input in the AccessPress Social Icons plugin, versions before 1.8.1, did not sanitise its widget attribute, allowing accounts with post permission, such as author, to perform SQL injections...