Description
Insufficient policy enforcement in Canvas in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Published: 2026-06-30
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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

Wed, 08 Jul 2026 08:45:00 +0000

Type Values Removed Values Added
Title Insufficient Canvas Policy Allows Remote Cross‑Origin Data Leak

Tue, 07 Jul 2026 10:45:00 +0000

Type Values Removed Values Added
Title Canvas Cross‑Origin Data Leak in Google Chrome

Mon, 06 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Title Canvas Cross‑Origin Data Leak in Google Chrome

Sun, 05 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Title Canvas API Cross‑Origin Data Leak in Google Chrome

Sun, 05 Jul 2026 07:30:00 +0000

Type Values Removed Values Added
Title Canvas API Cross‑Origin Data Leak in Google Chrome

Sat, 04 Jul 2026 08:15:00 +0000

Type Values Removed Values Added
Title Canvas Policy Enforcement Leak Allows Cross‑Origin Data Disclosure

Fri, 03 Jul 2026 13:00:00 +0000

Type Values Removed Values Added
Title Canvas Policy Enforcement Leak Allows Cross‑Origin Data Disclosure

Thu, 02 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leak via Canvas API in Google Chrome

Thu, 02 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leak via Canvas API in Google Chrome

Wed, 01 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title Canvas Cross‑Origin Data Leak via Insufficient Policy Enforcement in Google Chrome
Weaknesses CWE-200
CWE-285

Wed, 01 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

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


Wed, 01 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Title Canvas Cross‑Origin Data Leak via Insufficient Policy Enforcement in Google Chrome
Weaknesses CWE-200
CWE-285

Wed, 01 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leak via Canvas in Chrome
First Time appeared Google
Google chrome
Weaknesses CWE-200
Vendors & Products Google
Google chrome

Wed, 01 Jul 2026 02:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leak via Canvas in Chrome
Weaknesses CWE-200

Tue, 30 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in Canvas in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-01T15:19:30.731Z

Reserved: 2026-06-29T23:03:30.772Z

Link: CVE-2026-13840

cve-icon Vulnrichment

Updated: 2026-07-01T15:19:26.592Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-08T08:30:04Z

Weaknesses