CVE-2024-50052: Mattermost: Authenticated users can delete posts from other users

Summary

Mattermost versions 9.10.x through 9.10.2, 9.11.x through 9.11.1, and 9.5.x through 9.5.9 allow an authenticated user to delete posts from any other user. This could be used to delete sensitive or important posts. To fix this, update to a patched version of Mattermost.

What to do

Update github.com mattermost to version 8.0.0-20240926115259-20ed58906adc.

Affected software

Ecosystem	Vendor	Product	Affected versions
go	github.com	mattermost	< 8.0.0-20240926115259-20ed58906adc Fix: upgrade to 8.0.0-20240926115259-20ed58906adc
–	mattermost	mattermost_server	>= 9.5.0, < 9.5.10 >= 9.10.0, < 9.10.3 >= 9.11.0, < 9.11.2 `cpe:2.3:a:mattermost:mattermost_server::::::::`

Original title

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 ...

Original 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.

ghsa CVSS3.1 4.3

ghsa CVSS4.0 5.3

Vulnerability type

CWE-862 Missing Authorization