Mattermost fails to authenticate the source of certain types of post actions
Moderate severity
GitHub Reviewed
Published
Apr 5, 2024
to the GitHub Advisory Database
•
Updated Apr 5, 2024
Package
Affected versions
>= 8.1.0, < 8.1.11
>= 9.5.0, < 9.5.2
>= 9.4.0, < 9.4.4
>= 9.3.0, < 9.3.3
Patched versions
8.1.11
9.5.2
9.4.4
9.3.3
Description
Published by the National Vulnerability Database
Apr 5, 2024
Published to the GitHub Advisory Database
Apr 5, 2024
Reviewed
Apr 5, 2024
Last updated
Apr 5, 2024
Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.
References