Description

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 disallow the modification of local channels by a remote, when shared channels are enabled, which allows a malicious remote to make an arbitrary local channel read-only.

Related CPE's

a

mattermost

mattermost_server

4

References

https://mattermost.com/security-updates

Vendor Advisory

Weaknesses

[email protected]

Secondary
CWE-284

[email protected]

Primary
NVD-CWE-noinfo

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N

4.1 · Medium

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2024-08-01T15:15:13.627Z

2 years ago

Last modified

2026-06-17T07:47:23.523Z

3 months ago