Incorrect authorization in Google Chromium - CVE-2026-87485

 

Incorrect authorization in Google Chromium - CVE-2026-87485

Published: September 9, 2026


Vulnerability identifier: #VU148559
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-87485
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to access cross-origin resources.

The vulnerability exists due to incorrect authorization in CORS when processing cross-origin requests. A remote attacker can trick the victim into visiting crafted web content to access cross-origin resources.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-87485

Install security update from vendor's website.

Google Chromium - update to 153.0.8010.36
Google Chrome - update to 153.0.8010.36

External References

Related Security Bulletins