Headline
GHSA-cmc8-222c-vqp9: Mattermost failed to properly validate that the channel that comes from the sync message is a shared channel
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2024-39274
Mattermost failed to properly validate that the channel that comes from the sync message is a shared channel
High severity GitHub Reviewed Published Aug 1, 2024 to the GitHub Advisory Database • Updated Aug 2, 2024
Package
gomod github.com/mattermost/mattermost/server/v8 (Go)
Affected versions
>= 9.5.0, < 9.5.7
>= 9.7.0, < 9.7.6
>= 9.8.0, < 9.8.2
= 9.9.0
Patched versions
9.5.7
9.7.6
9.8.2
9.9.1
Published to the GitHub Advisory Database
Aug 1, 2024