CVE-2026-3934: Insufficient policy enforcement in ChromeDriver
Chromium: CVE-2026-3934 Insufficient policy enforcement in ChromeDriver
Other sources
Insufficient policy enforcement in ChromeDriver in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.73-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.73-1~deb13u1Fixed in 156.0.8078.47-1Fixed in 156.0.8078.73-1 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 146.0.7680.71
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-3934?
CVE-2026-3934 is classified as a high-severity vulnerability due to its potential to allow remote attackers to bypass same origin policy.
How do I fix CVE-2026-3934?
To fix CVE-2026-3934, update Google Chrome to version 146.0.7680.71 or later.
Which versions of Google Chrome are affected by CVE-2026-3934?
CVE-2026-3934 affects all versions of Google Chrome prior to 146.0.7680.71.
Can Microsoft Edge be affected by CVE-2026-3934?
Yes, Microsoft Edge (Chromium-based) and Microsoft Edge versions prior to 146.0.3856.59 are also affected by CVE-2026-3934.
What type of attack can CVE-2026-3934 enable?
CVE-2026-3934 can enable a remote attacker to craft HTML pages that bypass the same origin policy.