What is GHSA-qvqh-cmq6-xvfq?

GHSA-qvqh-cmq6-xvfq is a security advisory published by GitHub Security Advisories with Low severity. Mattermost versions 11.7.x \u003c= 11.7.2, 10.11.x \u003c= 10.11.19 fail to sanitize team objects returned...

Which CVE IDs does GHSA-qvqh-cmq6-xvfq cover?

GHSA-qvqh-cmq6-xvfq covers the following CVE IDs: CVE-2026-9820. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qvqh-cmq6-xvfq?

GHSA-qvqh-cmq6-xvfq has a CVSS v3 base score of 3.8, published by GitHub Security Advisories.

GHSA-qvqh-cmq6-xvfqLowCVSS 3.8

Mattermost versions 11.7.x <= 11.7.2, 10.11.x <= 10.11.19 fail to sanitize team objects returned...

Vendor

GitHub Security Advisories

Published

July 13, 2026

Last Modified

July 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-9820 →

📋 Description

Mattermost versions 11.7.x <= 11.7.2, 10.11.x <= 10.11.19 fail to sanitize team objects returned by the scheme teams endpoint, which allows a user with the User Manager role to obtain invite links for private teams and use them to join or share access to those teams via the scheme teams API endpoint.. Mattermost Advisory ID: MMSA-2026-00671

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-9820
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-qvqh-cmq6-xvfq