What is GHSA-h83c-wr7v-rr3x?

GHSA-h83c-wr7v-rr3x is a security advisory published by GitHub Security Advisories with Medium severity. Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53...

Which CVE IDs does GHSA-h83c-wr7v-rr3x cover?

GHSA-h83c-wr7v-rr3x covers the following CVE IDs: CVE-2026-11259. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h83c-wr7v-rr3x?

GHSA-h83c-wr7v-rr3x has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-h83c-wr7v-rr3xMediumCVSS 4.3

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53...

Vendor

GitHub Security Advisories

Published

June 5, 2026

Last Modified

June 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-11259 →

📋 Description

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-11259
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/499215943
https://github.com/advisories/GHSA-h83c-wr7v-rr3x