CVE-2026-17693

chromium-browser: chromium-browser: Inappropriate implementation in FileSystem

Published Jul 30, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Insufficient policy enforcement in FileSystem 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: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4710-1 chromium security update
Debian DSA Debian DSA DSA-6408-1 chromium security update
History
Type Values Removed Values Added
Weaknesses CWE-200
CWE-285
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'}

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'}

Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Cross‑Origin Data Leakage via Crafted HTML Page chromium-browser: chromium-browser: Inappropriate implementation in FileSystem
Weaknesses CWE-940
References
Metrics threat_severity

None

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'}

threat_severity

Important

Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Cross‑Origin Data Leakage via Crafted HTML Page
Weaknesses CWE-200
CWE-285
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Insufficient policy enforcement in FileSystem 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: High)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 30, 2026, 1:21 PM
Reserved
Jul 27, 2026, 11:34 PM
Status
Analyzed
Published
Jul 30, 2026, 1:16 AM
Modified
Oct 24, 2026, 1:10 PM
Severity
Important
Public date
Jul 30, 2026, 12:18 AM