Mattermost has an unspecified vulnerability

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. Mattermost suffers from a security vulnerability that stems from a failure to lock out an LDAP user, which can be exploited by an attacker to lock out an external LDAP account through repeated failed...

CVE-2025-31947

CVE-2025-31947 affects Mattermost: versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, and 9.11.x

PT-2025-21273 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.11.x through 10.6.1 Description: The issue allows attackers to lock external LDAP accounts through repeated login failures due to Mattermost's failure to lock out LDAP users following repeated login failures...