CVE-2026-4136

The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Unvalidated Redirect in all versions up to, and including, 3.2.24. This is due to insufficient validation on the redirect url supplied via the 'rcpredirect' parameter. This makes it possible for unauthenticated attacke...

EUVD-2026-16162

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

GHSA-G7FP-CQJ5-X8HF Mattermost has an Incorrect Authorization issue

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

Mattermost has an Incorrect Authorization issue

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the membership synchronization process. An attacker can gain unauthorized access to an entire private team by sending crafted membership synchronization messages from a remote cluster that trigger team...

CVE-2026-4274

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

CVE-2026-4274

Mattermost CVE-2026-4274 affects multiple release lines: 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, and 11.3.x

CVE-2026-4274 Insufficient authorization in shared channel membership sync grants team-level access instead of channel-level access

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

CVE-2026-4274 Insufficient authorization in shared channel membership sync grants team-level access instead of channel-level access

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

CVE-2026-4274

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

CVE-2026-4274 Insufficient authorization in shared channel membership sync grants team-level access instead of channel-level access

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 restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

PT-2026-28642

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.0 through 10.11.10 Mattermost versions 11.2.0 through 11.2.2 Mattermost versions 11.3.0 through 11.3.1 Mattermost versions 11.4.0 Description The software does not properly restrict team-level access when processing...

EUVD-2026-15677

Authentication Bypass Using an Alternate Path or Channel vulnerability in azzaroco Ultimate Membership Pro indeed-membership-pro allows Authentication Abuse.This issue affects Ultimate Membership Pro: from n/a through = 13.7...

CVE-2026-25357

Authentication Bypass Using an Alternate Path or Channel vulnerability in azzaroco Ultimate Membership Pro indeed-membership-pro allows Authentication Abuse.This issue affects Ultimate Membership Pro: from n/a through = 13.7...

CVE-2026-25357 WordPress Ultimate Membership Pro plugin <= 13.7 - Account Takeover vulnerability

Authentication Bypass Using an Alternate Path or Channel vulnerability in azzaroco Ultimate Membership Pro indeed-membership-pro allows Authentication Abuse.This issue affects Ultimate Membership Pro: from n/a through = 13.7...

CVE-2026-25357 WordPress Ultimate Membership Pro plugin <= 13.7 - Account Takeover vulnerability

Authentication Bypass Using an Alternate Path or Channel vulnerability in azzaroco Ultimate Membership Pro indeed-membership-pro allows Authentication Abuse.This issue affects Ultimate Membership Pro: from n/a through = 13.7...

CVE-2026-25357

CVE-2026-25357 describes an authentication bypass in azzaroco Ultimate Membership Pro (indeed-membership-pro) for WordPress, allowing authentication abuse via an alternate path or channel. The issue affects versions n/a through 13.7; CVSSv3.1 base score 8.1 (HIGH) with NETWORK attack vector, LOW ...

WordPress plugin Ultimate Membership Pro 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. There is...

PT-2026-27918

Name of the Vulnerable Software and Affected Versions azzaroco Ultimate Membership Pro versions n/a through 13.7 Description An authentication bypass issue exists in azzaroco Ultimate Membership Pro indeed-membership-pro, allowing for authentication abuse. The issue involves using an alternate pa...

EUVD-2026-14656

The User Registration & Membership plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the Content Access Rules REST API endpoints in versions 5.0.1 through 5.1.4. This is due to the checkpermissions method only checking for editposts...