CVE-2025-22449 — Incorrect Authorization in Mattermost Mattermost Server V8

CWE-863 — Incorrect Authorization6 documents5 sources
Severity
3.8LOWNVD
EPSS
0.1%
top 75.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Mattermost Mattermost Server V8Mattermost ServerMattermost+1 more
Timeline
PublishedJan 9

Description

Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:NExploitability: 1.2 | Impact: 2.5

Affected Packages4 packages

▶NVDmattermost/mattermost_server9.11.0 — 9.11.6
▶CVEListV5mattermost/mattermost9.11.0 — 9.11.5

🔴Vulnerability Details

4
OSV
Mattermost Incorrect Authorization vulnerability↗2025-01-09
▶
CVEList
Access control flaw for team admins allows unauthorized team additions↗2025-01-09
▶
OSV
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server↗2025-01-09
▶
GHSA
Mattermost Incorrect Authorization vulnerability↗2025-01-09
▶

📋Vendor Advisories

1
Red Hat
mattermost: Access control flaw for team admins allows unauthorized team additions↗2025-01-09
▶
CVE-2025-22449 — Incorrect Authorization | cvebase