What is GHSA-3c4p-4mfx-w9r8?

GHSA-3c4p-4mfx-w9r8 is a security advisory published by GitHub Security Advisories with Medium severity. Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote...

Which CVE IDs does GHSA-3c4p-4mfx-w9r8 cover?

GHSA-3c4p-4mfx-w9r8 covers the following CVE IDs: CVE-2026-87540. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3c4p-4mfx-w9r8?

GHSA-3c4p-4mfx-w9r8 has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-3c4p-4mfx-w9r8MediumCVSS 5.4

Incorrect authorization in Isolated 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-2026-87540 →

📋 Description

Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-87540
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/517721914
https://github.com/advisories/GHSA-3c4p-4mfx-w9r8