What is GHSA-9pgr-9977-jg98?

GHSA-9pgr-9977-jg98 is a security advisory published by GitHub Security Advisories with High severity. Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed an attacker who...

Which CVE IDs does GHSA-9pgr-9977-jg98 cover?

GHSA-9pgr-9977-jg98 covers the following CVE IDs: CVE-2026-11201. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9pgr-9977-jg98?

GHSA-9pgr-9977-jg98 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-9pgr-9977-jg98HighCVSS 8.8

Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed an attacker who...

Vendor

GitHub Security Advisories

Published

June 5, 2026

Last Modified

June 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-11201 →

📋 Description

Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-11201
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/505068950
https://github.com/advisories/GHSA-9pgr-9977-jg98