Client-Side Enforcement of Server-Side Security Affecting chromium package, versions [,146.0.7680.71)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Mar 2026
- disclosed12 Mar 2026
- creditUnknown
Introduced: 12 Mar 2026
CVE-2026-3934 (opens in a new tab)How to fix?
Upgrade chromium to version 146.0.7680.71 or higher.
Overview
Affected versions of this package are vulnerable to Client-Side Enforcement of Server-Side Security via insufficient enforcement of security policies in the ChromeDriver process. An attacker can access resources across different origins by tricking a user into visiting a specially crafted HTML page.