Unintended Proxy or Intermediary in Google Chromium - CVE-2026-106188

 

Unintended Proxy or Intermediary in Google Chromium - CVE-2026-106188

Published: October 7, 2026


Vulnerability identifier: #VU153593
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-106188
CWE-ID: CWE-441
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to unintended forwarding of requests to an external entity in SignIn in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-106188

Install update from vendor's website.

Google Chromium - update to 155.0.8059.39
Google Chrome - update to 155.0.8059.39

External References

Related Security Bulletins