CVE-2025-3913 — Incorrect Authorization in Mattermost Mattermost-server

CWE-863 — Incorrect Authorization5 documents4 sources
Severity
3.8LOWNVD
CNA5.3
EPSS
0.3%
top 48.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Mattermost Mattermost-serverGithub.com Mattermost Mattermost Server V8Mattermost Server+1 more
Timeline
PublishedMay 29
Latest updateJun 3

Description

Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.

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 — 9.11.13+3
▶Gogithub.com/mattermost_mattermost-server9.0.0-rc1+incompatible — 9.11.13+incompatible+3
▶Gogithub.com/mattermost_mattermost_server_v810.7.0-rc1 — 10.7.1+4
▶CVEListV5mattermost/mattermost10.6.0 — 10.6.2+3

🔴Vulnerability Details

4
OSV
Mattermost improperly allows team administrators to modify team invites in github.com/mattermost/mattermost-server↗2025-06-03
▶
CVEList
Team Privacy Settings Authorization Bypass in Mattermost Server↗2025-05-29
▶
OSV
Mattermost improperly allows team administrators to modify team invites↗2025-05-29
▶
GHSA
Mattermost improperly allows team administrators to modify team invites↗2025-05-29
▶
CVE-2025-3913 — Incorrect Authorization | cvebase