GHSA-9P64-JPC7-M2RP Mattermost doesn't sanitize sensitive configuration fields before including them in support packet generation

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to sanitize sensitive configuration fields before including them in support packet generation, which allows a Mattermost System Admin or any party with access to a support packet to obtain sensitive credentials in...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal in the AdvancedLoggingJSON configuration during support packet generation. An attacker can access arbitrary files on the host system by supplying a malicious file path. Details A Directory Traversal attack also known...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal in the AdvancedLoggingJSON configuration during support packet generation. An attacker can access arbitrary files on the host system by supplying a malicious file path. Details A Directory Traversal attack also known...

CVE-2026-3112

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate Advanced Logging file target paths which allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration in support packet generation. Mattermost...

CVE-2026-3112: Improper Limitation of a Pathname to a Restricted Directory

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate Advanced Logging file target paths which allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration in support packet generation. Mattermost...