What is GHSA-88mf-8g4h-9w7f?

GHSA-88mf-8g4h-9w7f is a security advisory published by GitHub Security Advisories with High severity. Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote...

Which CVE IDs does GHSA-88mf-8g4h-9w7f cover?

GHSA-88mf-8g4h-9w7f covers the following CVE IDs: CVE-2026-87471. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-88mf-8g4h-9w7f?

GHSA-88mf-8g4h-9w7f has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-88mf-8g4h-9w7fHighCVSS 8.1

Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-87471 →

📋 Description

Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-87471
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/498869663
https://github.com/advisories/GHSA-88mf-8g4h-9w7f