CVE-2025-58075Missing Authorization in Mattermost Mattermost-server

Severity
8.1HIGHNVD
EPSS
0.0%
top 86.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 16
Latest updateOct 30

Description

Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NExploitability: 2.8 | Impact: 5.2

Affected Packages4 packages

NVDmattermost/mattermost_server10.5.010.5.11+2
Gogithub.com/mattermost_mattermost-server10.11.010.11.2+5
Gogithub.com/mattermost_mattermost_server_v8< 8.0.0-20250815100400-2d5cdc6e217e
CVEListV5mattermost/mattermost10.11.010.11.1+2

🔴Vulnerability Details

4
OSV
Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server2025-10-30
CVEList
Arbitrary Mattermost Team can be joined by manipulating the SAML RelayState2025-10-16
GHSA
Mattermost has a Missing Authorization vulnerability2025-10-16
OSV
Mattermost has a Missing Authorization vulnerability2025-10-16
CVE-2025-58075 — Missing Authorization | cvebase