What is GHSA-584v-7rqq-3h83?

GHSA-584v-7rqq-3h83 is a security advisory published by GitHub Security Advisories with High severity. Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.78 allowed a remote...

Which CVE IDs does GHSA-584v-7rqq-3h83 cover?

GHSA-584v-7rqq-3h83 covers the following CVE IDs: CVE-2026-126866. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-584v-7rqq-3h83?

GHSA-584v-7rqq-3h83 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-584v-7rqq-3h83HighCVSS 8.8

Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.78 allowed a remote...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-126866 →

📋 Description

Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-126866
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html
https://issues.chromium.org/issues/576943246
https://github.com/advisories/GHSA-584v-7rqq-3h83