CVE-2026-6313

Google Chrome: Chromium: Google Chrome: Cross-origin data leak via insufficient CORS policy enforcement

Published Apr 15, 2026 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
Insufficient policy enforcement in CORS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6214-1 chromium security update
History
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Type Values Removed Values Added
Title CORS Policy Bypass Allows Cross‑Origin Data Leak in Chrome Google Chrome: Chromium: Google Chrome: Cross-origin data leak via insufficient CORS policy enforcement
Weaknesses CWE-346
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Title CORS Policy Bypass Allows Cross‑Origin Data Leak in Chrome
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

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

ssvc

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

Type Values Removed Values Added
Description Insufficient policy enforcement in CORS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
May 27, 2026, 5:03 PM
Reserved
Apr 14, 2026, 6:12 PM
Status
Analyzed
Published
Apr 15, 2026, 8:16 PM
Modified
Oct 26, 2026, 9:10 PM
Severity
Moderate
Public date
Apr 15, 2026, 7:04 PM