Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
CVE-2026-121252
CVSS base score
8.8 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-863
Last modified
November 5, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
google chrome
References
- chromereleases.googleblog.com Release Notes, Vendor Advisory
- issues.chromium.org Permissions Required