CVE-2026-106198

chromium-browser: Missing authorization in FileSystem

Published Oct 6, 2026 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
Missing authorization in FileSystem in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4833-1 chromium security update
Debian DSA Debian DSA DSA-6553-1 chromium security update
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title chromium-browser: Missing authorization in FileSystem
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Title Renderer Process Authorization Bypass in Chrome FileSystem API
Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Renderer Process Authorization Bypass in Chrome FileSystem API
Type Values Removed Values Added
Description Missing authorization in FileSystem in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-862
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Oct 8, 2026, 3:57 PM
Reserved
Oct 6, 2026, 4:31 PM
Status
Modified
Published
Oct 6, 2026, 7:17 PM
Modified
Oct 8, 2026, 4:17 PM
Severity
Moderate
Public date
Oct 6, 2026, 6:41 PM