Mattermost Fails to Lockout LDAP Users After Repeated Login Failures

GHSA-qgwx-rffp-6cx9 · CVE-2025-31947 · GO-2025-3692

Published May 15, 2025 · Modified May 23, 2025

Description

Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to lockout LDAP users following repeated login failures, which allows attackers to lock external LDAP accounts through repeated login failures through Mattermost.

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-31947
WEB https://github.com/mattermost/mattermost/pull/30821
PACKAGE https://github.com/mattermost/mattermost
WEB https://mattermost.com/security-updates

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