What is GHSA-m4mg-c2jx-4939?

GHSA-m4mg-c2jx-4939 is a security advisory published by GitHub Security Advisories with Low severity. In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization...

Which CVE IDs does GHSA-m4mg-c2jx-4939 cover?

GHSA-m4mg-c2jx-4939 covers the following CVE IDs: CVE-2026-86491. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m4mg-c2jx-4939?

GHSA-m4mg-c2jx-4939 has a CVSS v3 base score of 3.5, published by GitHub Security Advisories.

GHSA-m4mg-c2jx-4939LowCVSS 3.5

In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization...

Vendor

GitHub Security Advisories

Published

September 7, 2026

Last Modified

September 7, 2026

🔗 CVE IDs covered (1)

CVE-2026-86491 →

📋 Description

In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-86491
https://www.jetbrains.com/privacy-security/issues-fixed
https://github.com/advisories/GHSA-m4mg-c2jx-4939