Input validation error in Google Chromium - CVE-2026-3930

Vulnerability identifier: #VU123931

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-3930

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Navigation component. A remote attacker can trick the victim into visiting a specially crafted website and perform spoofing attack.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Fedora
cef
chromium
chromium (Debian package)

Install update from vendor's repository.

Google Chromium - update to 146.0.7680.71
Microsoft Edge - update to 146.0.3856.59
Google Chrome - update to 146.0.7680.71
cef - addressed in versions 146.0.9^chromium146.0.7680.164-1.fc42, 146.0.9^chromium146.0.7680.164-1.fc43, 146.0.9^chromium146.0.7680.164-1.fc44
chromium - addressed in versions 146.0.7680.71-1.el9, 146.0.7680.71-1.el10_1, 146.0.7680.71-1.el10_3, 146.0.7680.71-1.fc42, 146.0.7680.71-1.fc43, 146.0.7680.71-1.fc44, 146.0.7680.80-1.el9
chromium (Debian package) - addressed in versions 146.0.7680.71-1~deb12u1, 146.0.7680.71-1~deb13u1

• https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html
• https://crbug.com/476898368

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Fedora 44 update for chromium
• Fedora 43 update for chromium
• Fedora EPEL 10.3 update for chromium
• Fedora EPEL 10.1 update for chromium
• Fedora 42 update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora EPEL 9 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 44 update for cef
• Fedora 43 update for cef
• Fedora 42 update for cef