What is GHSA-82vr-gjvh-q9r8?

GHSA-82vr-gjvh-q9r8 is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost Desktop App versions \u003c=6.2 6.0.2 5.6.13.0 fail to validate payloads sent from the...

Which CVE IDs does GHSA-82vr-gjvh-q9r8 cover?

GHSA-82vr-gjvh-q9r8 covers the following CVE IDs: CVE-2026-9602. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-82vr-gjvh-q9r8?

GHSA-82vr-gjvh-q9r8 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-82vr-gjvh-q9r8MediumCVSS 6.5

Mattermost Desktop App versions <=6.2 6.0.2 5.6.13.0 fail to validate payloads sent from the...

Vendor

GitHub Security Advisories

Published

July 17, 2026

Last Modified

July 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-9602 →

📋 Description

Mattermost Desktop App versions <=6.2 6.0.2 5.6.13.0 fail to validate payloads sent from the Mattermost Web App to the Desktop App which allows a malicious server owner to crash the Mattermost Desktop App via changing the payload of a method to a malformed one. Mattermost Advisory ID: MMSA-2026-00678

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-9602
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-82vr-gjvh-q9r8