First published: Thu Feb 29 2024(Updated: )
A race condition in Mattermost versions 8.1.x before 8.1.9, and 9.4.x before 9.4.2 allows an authenticated attacker to gain unauthorized access to individual posts' contents via carefully timed post creation while another user deletes posts.
Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com
Affected Software | Affected Version | How to fix |
---|---|---|
go/github.com/mattermost/mattermost/server/v8 | <8.1.9 | 8.1.9 |
go/github.com/mattermost/mattermost/server/v8 | >=9.0.0<9.4.2 | 9.4.2 |
Mattermost Mattermost Server | >=8.1.0<8.1.9 | |
Mattermost Mattermost Server | >=9.4.0<9.4.2 | |
>=8.1.0<8.1.9 | ||
>=9.4.0<9.4.2 |
Update Mattermost Server to versions 9.5 ( 2024), 9.4.2, 8.1.9 or higher.
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