Description
Policy bypass in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Published: 2026-07-30
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6408-1 chromium security update
History

Sat, 01 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
Title Policy Bypass in Chrome CSS Allows Cross‑Origin Data Leak chromium-browser: chromium-browser: Policy bypass in CSS
References
Metrics threat_severity

None

threat_severity

Low


Fri, 31 Jul 2026 21:15:00 +0000

Type Values Removed Values Added
Title Policy Bypass in Chrome CSS Allows Cross‑Origin Data Leak

Thu, 30 Jul 2026 18:30:00 +0000

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:L/I:N/A:N'}

ssvc

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


Thu, 30 Jul 2026 07:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Thu, 30 Jul 2026 01:00:00 +0000

Type Values Removed Values Added
Description Policy bypass in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-30T17:52:24.445Z

Reserved: 2026-07-27T23:37:11.837Z

Link: CVE-2026-17977

cve-icon Vulnrichment

Updated: 2026-07-30T17:52:21.181Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Low

Publid Date: 2026-07-30T00:25:51Z

Links: CVE-2026-17977 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T21:00:03Z

Weaknesses