Unsanitized events sent over Websocket to regular users in a High Availability environment
Summary
Unsanitized events sent over Websocket to regular users in a High Availability environment
Original description
The description as published by the source.
When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory nvd.nist.gov
- web mattermost.com