CVE-2025-12909

PoC —

CVSS 3.1

5.3 medium

EPSS

<1%p9

Published

Nov 8, 2025 (Nov 8, 2025)

Modified

Jun 17, 2026

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)

Vendors: google
Products: chrome
Weakness: CWE-693
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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