What is GHSA-wvgv-4fc3-2rcp?

GHSA-wvgv-4fc3-2rcp is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost versions 11.5.x \u003c= 11.5.1, 10.11.x \u003c= 10.11.13, 11.4.x \u003c= 11.4.3 fail prevent...

Which CVE IDs does GHSA-wvgv-4fc3-2rcp cover?

GHSA-wvgv-4fc3-2rcp covers the following CVE IDs: CVE-2026-6345. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-wvgv-4fc3-2rcp?

GHSA-wvgv-4fc3-2rcp has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-wvgv-4fc3-2rcpMediumCVSS 6.5

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail prevent...

Vendor

GitHub Security Advisories

Published

May 18, 2026

Last Modified

May 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-6345 →

📋 Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail prevent disclosure of created user password which allows a malicious attacker to impersonate a user via the use of some of those passwords.. Mattermost Advisory ID: MMSA-2026-00614

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-6345
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-wvgv-4fc3-2rcp