VYPR
High severityNVD Advisory· Published Oct 16, 2025· Updated Feb 26, 2026

Arbitrary Mattermost Team can be joined by manipulating the OAuth state

CVE-2025-58073

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/mattermost/mattermost/server/v8Go
< 8.0.0-20250807174701-e14175eb65398.0.0-20250807174701-e14175eb6539
github.com/mattermost/mattermost-serverGo
>= 10.11.0, < 10.11.210.11.2
github.com/mattermost/mattermost-serverGo
>= 10.10.0, < 10.10.310.10.3
github.com/mattermost/mattermost-serverGo
>= 10.5.0, < 10.5.1110.5.11

Affected products

4

Patches

Vulnerability mechanics

References

6

News mentions

0

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