What is GHSA-4rqw-p72p-2m5j?

GHSA-4rqw-p72p-2m5j is a security advisory published by GitHub Security Advisories with Medium severity. In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 stored XSS was possible on the built-in web...

Which CVE IDs does GHSA-4rqw-p72p-2m5j cover?

GHSA-4rqw-p72p-2m5j covers the following CVE IDs: CVE-2026-123309. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4rqw-p72p-2m5j?

GHSA-4rqw-p72p-2m5j has a CVSS v3 base score of 6.1, published by GitHub Security Advisories.

GHSA-4rqw-p72p-2m5jMediumCVSS 6.1

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 stored XSS was possible on the built-in web...

Vendor

GitHub Security Advisories

Published

November 6, 2026

Last Modified

November 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-123309 →

📋 Description

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 stored XSS was possible on the built-in web server via Markdown preview

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-123309
https://www.jetbrains.com/privacy-security/issues-fixed
https://github.com/advisories/GHSA-4rqw-p72p-2m5j