What is GHSA-8jm7-f523-4jxc?

GHSA-8jm7-f523-4jxc is a security advisory published by GitHub Security Advisories with Medium severity. Information leak in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote...

Which CVE IDs does GHSA-8jm7-f523-4jxc cover?

GHSA-8jm7-f523-4jxc covers the following CVE IDs: CVE-2026-87439. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8jm7-f523-4jxc?

GHSA-8jm7-f523-4jxc has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-8jm7-f523-4jxcMediumCVSS 5.3

Information leak 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 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-87439 →

📋 Description

Information leak in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-87439
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/517415433
https://github.com/advisories/GHSA-8jm7-f523-4jxc