CVE-2026-106208

chromium-browser: Missing authorization in API

Published Oct 6, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Missing authorization in API in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to leak sensitive information via a crafted Chrome extension. (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 cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N'}

ssvc

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

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'}

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

None

threat_severity

Moderate

Type Values Removed Values Added
Title Unprivileged API Access Enables Extension-based Information Disclosure
Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N'}

Type Values Removed Values Added
Title Unprivileged API Access Enables Extension-based Information Disclosure
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Missing authorization in API in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to leak sensitive information via a crafted Chrome extension. (Chromium security severity: Medium)
Weaknesses CWE-862
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Oct 11, 2026, 4:56 PM
Reserved
Oct 6, 2026, 4:31 PM
Status
Modified
Published
Oct 6, 2026, 7:17 PM
Modified
Oct 11, 2026, 5:17 PM
Severity
Moderate
Public date
Oct 6, 2026, 6:41 PM