What is GHSA-h356-3mfw-x368?

GHSA-h356-3mfw-x368 is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost Fails to Verify User's Permissions When Accessing Groups

Which CVE IDs does GHSA-h356-3mfw-x368 cover?

GHSA-h356-3mfw-x368 covers the following CVE IDs: CVE-2025-2527. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h356-3mfw-x368?

GHSA-h356-3mfw-x368 has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

Which products are affected by GHSA-h356-3mfw-x368?

GHSA-h356-3mfw-x368 affects 3 products, including: go/github.com/mattermost/mattermost/server/v8:\u003e= 10.5.0, \u003c= 10.5.2; go/github.com/mattermost/mattermost/server/v8:\u003e= 9.11.0, \u003c= 9.11.11; go/github.com/mattermost/mattermost/server/v8:\u003c 8.0.0-20250411064244-844447fbd57c.

GHSA-h356-3mfw-x368MediumCVSS 4.3

Mattermost Fails to Verify User's Permissions When Accessing Groups

Vendor

GitHub Security Advisories

Published

May 15, 2025

Last Modified

May 17, 2025

🔗 CVE IDs covered (1)

CVE-2025-2527 →

📋 Description

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.

🎯 Affected products3

go/github.com/mattermost/mattermost/server/v8:>= 10.5.0, <= 10.5.2
go/github.com/mattermost/mattermost/server/v8:>= 9.11.0, <= 9.11.11
go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20250411064244-844447fbd57c

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-2527
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-h356-3mfw-x368