Vulnerability in Mattermost
CVE-2024-1888
Mattermost fails to check the "invite_guest" permission when inviting guests of other teams to a team, allowing a member with permissions to add other members but not to add guests to add a guest to a team as long as the guest was already a guest in another team of the server
EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Mattermost — versions 0, 9.5.0, 9.4.2
- Mattermost Mattermost_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-1888?
- CVE-2024-1888 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 4.3/10. Published 2024-02-29.
- How severe is CVE-2024-1888?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2024-1888 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.