What is GHSA-3pm9-x6w9-wfc3?

GHSA-3pm9-x6w9-wfc3 is a security advisory published by GitHub Security Advisories with High severity. Use after free in Proxy in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to...

Which CVE IDs does GHSA-3pm9-x6w9-wfc3 cover?

GHSA-3pm9-x6w9-wfc3 covers the following CVE IDs: CVE-2026-9887. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3pm9-x6w9-wfc3?

GHSA-3pm9-x6w9-wfc3 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-3pm9-x6w9-wfc3HighCVSS 7.8

Use after free in Proxy in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to...

Vendor

GitHub Security Advisories

Published

May 29, 2026

Last Modified

May 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-9887 →

📋 Description

Use after free in Proxy in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code via a crafted PAC script. (Chromium security severity: Critical)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-9887
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
https://issues.chromium.org/issues/511249104
https://github.com/advisories/GHSA-3pm9-x6w9-wfc3