What is GHSA-p8rx-2r7q-5wfv?

GHSA-p8rx-2r7q-5wfv is a security advisory published by GitHub Security Advisories with Low severity. Mattermost Desktop App versions \u003c=6.2 6.2.2.0 fail to validate the URL scheme when checking...

Which CVE IDs does GHSA-p8rx-2r7q-5wfv cover?

GHSA-p8rx-2r7q-5wfv covers the following CVE IDs: CVE-2026-75588. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p8rx-2r7q-5wfv?

GHSA-p8rx-2r7q-5wfv has a CVSS v3 base score of 2.6, published by GitHub Security Advisories.

GHSA-p8rx-2r7q-5wfvLowCVSS 2.6

Mattermost Desktop App versions <=6.2 6.2.2.0 fail to validate the URL scheme when checking...

Vendor

GitHub Security Advisories

Published

September 17, 2026

Last Modified

September 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-75588 →

📋 Description

Mattermost Desktop App versions <=6.2 6.2.2.0 fail to validate the URL scheme when checking whether a target URL is internal to the connected server, which allows a network-positioned attacker to load a plugin popout window over an insecure connection via a link using a downgraded URL scheme. Mattermost Advisory ID: MMSA-2026-00717

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-75588
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-p8rx-2r7q-5wfv