CVE-2026-14057

FedCM Same‑Origin Policy Bypass in Google Chrome 150.0.7871.47 and Earlier

Published Jun 30, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in FedCM in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History
Type Values Removed Values Added
Title FedCM Same‑Origin Policy Bypass in Google Chrome 150.0.7871.47 and Earlier
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same‑Origin Policy Bypass via Crafted Page
Type Values Removed Values Added
Title FedCM Same‑Origin Policy Bypass via Crafted Page
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome Prior to 150.0.7871.47
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome Prior to 150.0.7871.47
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same‑Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same‑Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same‑Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same‑Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass via Crafted HTML
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass via Crafted HTML
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Google Chrome
Type Values Removed Values Added
Title Google Chrome FedCM Same-Origin Policy Bypass Via Crafted HTML
Type Values Removed Values Added
Title Google Chrome FedCM Same-Origin Policy Bypass Via Crafted HTML
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass via Crafted HTML in Chrome
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass via Crafted HTML in Chrome
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass via Crafted HTML Page
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass via Crafted HTML Page
Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Chrome
Weaknesses CWE-295
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title FedCM Same-Origin Policy Bypass in Chrome
Weaknesses CWE-295
Type Values Removed Values Added
Description Inappropriate implementation in FedCM in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 1:05 PM
Reserved
Jun 29, 2026, 11:11 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 9:10 PM