CVE Catalog

CVE-2026-5911

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.17%

6th percentile - higher than 6% of all known CVEs

Summary

Google Chrome prior to version 147.0.7727.55 contains a policy bypass vulnerability in ServiceWorkers that allows a remote attacker to bypass Content Security Policy via a crafted HTML page. (Severity: Low)

Risk Assessment

An attacker can bypass CSP, potentially allowing unauthorized script execution in the browser context, which could lead to data theft.

Recommendation

Update Google Chrome to version 147.0.7727.55 or later, which includes the fix.

Original NVD description (English source)

Policy bypass in ServiceWorkers in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)

Vulnerability data from NVD (NIST) · CISA KEV · EPSS