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CVE-2025-12909

Medium

Description

Insufficient policy enforcement in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to leak cross-origin data via Devtools. (Chromium security severity: Low)

SeverityMedium
CVSS5.3
Exploit probability—
ProductGoogle Chrome
PublishedNov 8, 2025
First seenNov 8, 2025
Weakness typeCWE-693CWE-693

How to fix

Update
  • google chrome140.0.7339.80 or later

Affected products

ProductAffected versionsFixed in
google chromev < 140.0.7339.80140.0.7339.80

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