What is GHSA-4hfh-6x8g-gwpp?

GHSA-4hfh-6x8g-gwpp is a security advisory published by GitHub Security Advisories with Medium severity. A WebFlux application with a compromised subdomain (for example, compromised via cross-site...

Which CVE IDs does GHSA-4hfh-6x8g-gwpp cover?

GHSA-4hfh-6x8g-gwpp covers the following CVE IDs: CVE-2026-41839. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4hfh-6x8g-gwpp?

GHSA-4hfh-6x8g-gwpp has a CVSS v3 base score of 4.2, published by GitHub Security Advisories.

GHSA-4hfh-6x8g-gwppMediumCVSS 4.2

A WebFlux application with a compromised subdomain (for example, compromised via cross-site...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-41839 →

📋 Description

A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user.

Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-41839
https://spring.io/security/cve-2026-41839
https://github.com/advisories/GHSA-4hfh-6x8g-gwpp