What is GHSA-mfq9-47xf-5654?

GHSA-mfq9-47xf-5654 is a security advisory published by GitHub Security Advisories with High severity. IBM i 7.6, 7.5, 7.4, and 7.3, IBM WebSphere Application Server and IBM WebSphere Application...

Which CVE IDs does GHSA-mfq9-47xf-5654 cover?

GHSA-mfq9-47xf-5654 covers the following CVE IDs: CVE-2026-8858. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mfq9-47xf-5654?

GHSA-mfq9-47xf-5654 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-mfq9-47xf-5654HighCVSS 7.5

IBM i 7.6, 7.5, 7.4, and 7.3, IBM WebSphere Application Server and IBM WebSphere Application...

Vendor

GitHub Security Advisories

Published

June 22, 2026

Last Modified

June 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-8858 →

📋 Description

IBM i 7.6, 7.5, 7.4, and 7.3, IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerability can be exploited when an attacker impersonates the application server and sends crafted responses to the plug-in.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-8858
https://www.ibm.com/support/pages/node/7277344
https://github.com/advisories/GHSA-mfq9-47xf-5654