What is GHSA-cxvg-jqm2-2qpv?

GHSA-cxvg-jqm2-2qpv is a security advisory published by GitHub Security Advisories with Low severity. Information leak in WebMCP in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who...

Which CVE IDs does GHSA-cxvg-jqm2-2qpv cover?

GHSA-cxvg-jqm2-2qpv covers the following CVE IDs: CVE-2026-87521. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cxvg-jqm2-2qpv?

GHSA-cxvg-jqm2-2qpv has a CVSS v3 base score of 3.1, published by GitHub Security Advisories.

GHSA-cxvg-jqm2-2qpvLowCVSS 3.1

Information leak in WebMCP in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-87521 →

📋 Description

Information leak in WebMCP in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-87521
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/512986143
https://github.com/advisories/GHSA-cxvg-jqm2-2qpv