CVE-2024-50052 Arbitrary post deletion via Playbooks /ignore-thread endpoint
An authenticated user can delete arbitrary posts in Mattermost due to missing origin validation in the ignore-thread endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-50052?
CVE-2024-50052 is a medium-severity missing authorization vulnerability in Mattermost Mattermost Server, published on 29 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 fail to check that the origin of the message in an integration action matches with the original post metadata which allows an authenticated user to delete an arbitrary post.
Weakness: CWE-862
Which versions are affected by CVE-2024-50052?
6 open source packages ship an affected version, including github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server and github.com/mattermost/mattermost-server/v5. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/mattermost/mattermost/server/v8 Go | All versions | 8.0.0-20240926115259-20ed58906adc |
github.com/mattermost/mattermost/server/v8 Go | All versions | 8.0.0-20240926115259-20ed58906adc |
github.com/mattermost/mattermost/server/v8 Go | All versions | 8.0.0-20240926115259-20ed58906adc |
github.com/mattermost/mattermost-server Go | All versions | None |
github.com/mattermost/mattermost-server/v5 Go | All versions | None |
github.com/mattermost/mattermost-server/v6 Go | All versions | None |
Products include Mattermost Mattermost Server.
How do I fix CVE-2024-50052?
Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20240926115259-20ed58906adc or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-50052 being exploited?
There is no known exploitation of CVE-2024-50052 in the wild and no public exploit code.
Other vulnerabilities in Mattermost Mattermost Server
- CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers
- CVE-2025-12421 Account Takeover via Code Exchange Endpoint
- CVE-2025-4981 Path Traversal Leading to RCE by Any Authenticated Mattermost User
- CVE-2025-20051 Arbitrary file read via block duplication in Mattermost Boards
- CVE-2025-25279 Arbitrary file read in Mattermost Boards via import & export board archive
Sources
Also known as GHSA-g376-m3h3-mj4r, GO-2024-3235.