CVE-2025-58073

High

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 OAuth state.

SeverityHigh
CVSS8.1
Exploit probability36. percentile0.4%
ProductMattermost Server
PublishedOct 16, 2025
First seenOct 16, 2025

How to fix

Update
  • mattermost mattermost_server10.5.11, 10.10.3, 10.11.3 or later
  • github.com/mattermost/mattermost/server/v88.0.0-20250807174701-e14175eb6539 or later
  • github.com/mattermost/mattermost-server10.11.2, 10.10.3, 10.5.11, 10.5.11+incompatible, 10.10.3+incompatible, 10.11.2+incompatible or later

Affected products

ProductAffected versionsFixed in
mattermost mattermost_server10.5.0 ≤ v < 10.5.11, 10.10.0 ≤ v < 10.10.3, 10.11.0 ≤ v < 10.11.310.5.11, 10.10.3, 10.11.3
github.com/mattermost/mattermost/server/v8Gov < 8.0.0-20250807174701-e14175eb65398.0.0-20250807174701-e14175eb6539
github.com/mattermost/mattermost-serverGo10.11.0 ≤ v < 10.11.2, 10.10.0 ≤ v < 10.10.3, 10.5.0 ≤ v < 10.5.11, 10.5.0+incompatible ≤ v < 10.5.11+incompatible, 10.10.0+incompatible ≤ v < 10.10.3+incompatible, 10.11.0+incompatible ≤ v < 10.11.2+incompatible10.11.2, 10.10.3, 10.5.11, 10.5.11+incompatible, 10.10.3+incompatible, 10.11.2+incompatible
github.com/mattermost/mattermost-server/v5GoNo range specified—
github.com/mattermost/mattermost-server/v6GoNo range specified—

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CVE-2025-58073 · Mattermost Server · Dark Radar