What is GHSA-8487-52vc-ggw6?

GHSA-8487-52vc-ggw6 is a security advisory published by GitHub Security Advisories with Medium severity. Insufficient policy enforcement in WebMCP in Google Chrome prior to 151.0.7922.72 allowed a...

Which CVE IDs does GHSA-8487-52vc-ggw6 cover?

GHSA-8487-52vc-ggw6 covers the following CVE IDs: CVE-2026-17854. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8487-52vc-ggw6?

GHSA-8487-52vc-ggw6 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-8487-52vc-ggw6MediumCVSS 6.5

Insufficient policy enforcement in WebMCP in Google Chrome prior to 151.0.7922.72 allowed a...

Vendor

GitHub Security Advisories

Published

July 30, 2026

Last Modified

July 31, 2026

🔗 CVE IDs covered (1)

CVE-2026-17854 →

📋 Description

Insufficient policy enforcement in WebMCP in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-17854
https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
https://issues.chromium.org/issues/519500882
https://github.com/advisories/GHSA-8487-52vc-ggw6