CVE-2026-121085

chromium-browser: Incorrect authorization in WebUI

Published Nov 3, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Incorrect authorization in WebUI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
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
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

Type Values Removed Values Added
Title Remote Authorization Bypass in Chrome WebUI chromium-browser: Incorrect authorization in WebUI
References
Metrics threat_severity

None

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

threat_severity

Low

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Remote Authorization Bypass in Chrome WebUI
Type Values Removed Values Added
Description Incorrect authorization in WebUI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-863
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 9, 2026, 8:16 PM
Reserved
Nov 3, 2026, 9:26 AM
Status
Analyzed
Published
Nov 3, 2026, 9:17 PM
Modified
Nov 10, 2026, 4:08 PM
Severity
Low
Public date
Nov 3, 2026, 8:42 PM