What is GHSA-6qqm-669w-6778?

GHSA-6qqm-669w-6778 is a security advisory published by GitHub Security Advisories with High severity. In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible

Which CVE IDs does GHSA-6qqm-669w-6778 cover?

GHSA-6qqm-669w-6778 covers the following CVE IDs: CVE-2026-103493. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6qqm-669w-6778?

GHSA-6qqm-669w-6778 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-6qqm-669w-6778HighCVSS 8.1

In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-103493 →

📋 Description

In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-103493
https://www.jetbrains.com/privacy-security/issues-fixed
https://github.com/advisories/GHSA-6qqm-669w-6778