CVE-2026-78966

Published Aug 25, 2026 CWE-610

Description

Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Is your site exposed to CVE-2026-78966?

Run a free security scan — no signup, results in seconds.

Weakness Type (CWE)

CWE-610 CWE-610

References

Frequently Asked Questions

What is CVE-2026-78966? +
Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
How do I check if I'm vulnerable to CVE-2026-78966? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2024-13177

Netskope Client on Mac OS is impacted by a vulnerability in which the postinstall script does not properly validate the …
CVE-2024-6079

A vulnerability exists in the Rockwell Automation Emulate3D™, which could be leveraged to execute a DLL Hijacking attack. The application …
CVE-2015-10142

Sitecore Experience Platform (XP) prior to 8.0 Initial Release (rev. 141212) and Content Management System (CMS) prior to 7.2 Update-3 …
CVE-2026-79256

Externally controlled reference in WebView in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker who had …
CVE-2026-12879

An Improper Input Validation vulnerability in BigQuery DAO in Google Cloud Apigee versions prior to 2026-06-12 on Google Cloud Platform …
CVE-2025-22144 9.8

NamelessMC is a free, easy to use & powerful website software for Minecraft servers. A user with admincp.core.emails or admincp.users.edit …

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2026-78966 — free, no signup required.