What is GHSA-77ww-pg49-9w44?

GHSA-77ww-pg49-9w44 is a security advisory published by GitHub Security Advisories with Critical severity. Incorrect authorization in FileSystem in Google Chrome prior to 152.0.7977.75 allowed a remote...

Which CVE IDs does GHSA-77ww-pg49-9w44 cover?

GHSA-77ww-pg49-9w44 covers the following CVE IDs: CVE-2026-84354. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-77ww-pg49-9w44?

GHSA-77ww-pg49-9w44 has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-77ww-pg49-9w44CriticalCVSS 9.6

Incorrect authorization in FileSystem in Google Chrome prior to 152.0.7977.75 allowed a remote...

Vendor

GitHub Security Advisories

Published

September 2, 2026

Last Modified

September 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-84354 →

📋 Description

Incorrect authorization in FileSystem in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-84354
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/498839176
https://github.com/advisories/GHSA-77ww-pg49-9w44