CVE-2025-6556: Insufficient policy enforcement in Loader
Chromium: CVE-2025-6556 Insufficient policy enforcement in Loader
Other sources
Insufficient policy enforcement in Loader in Google Chrome prior to 138.0.7204.49 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)
— 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 to a fixed release to a version that resolves this vulnerability.
Fixed in 138.0.7204.49 - Upgrade
Upgrade
Chromium / Google Chrometo a version that resolves this vulnerability.Fixed in 138.0.7204.49
Event History
Frequently Asked Questions
What is the severity of CVE-2025-6556?
The severity of CVE-2025-6556 is classified as Low in Chromium security.
How do I fix CVE-2025-6556?
To fix CVE-2025-6556, update Google Chrome to version 138.0.7204.49 or later.
What type of vulnerability is CVE-2025-6556?
CVE-2025-6556 is an insufficient policy enforcement vulnerability in the Loader component of Google Chrome.
Who is affected by CVE-2025-6556?
Users running Google Chrome versions prior to 138.0.7204.49 are affected by CVE-2025-6556.
Can CVE-2025-6556 be exploited remotely?
Yes, CVE-2025-6556 can be exploited remotely via a crafted HTML page.