CVE-2026-106221

chromium-browser: chromium-browser: Confused deputy in WebAPKs

Published Oct 6, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Confused deputy in WebAPKs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy 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

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': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google android
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Vendors & Products Google android
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'}

cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title WebAPK Web Origin Policy Bypass in Android Chrome chromium-browser: chromium-browser: Confused deputy in WebAPKs
Weaknesses CWE-346
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:L/I:N/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
Title WebAPK Web Origin Policy Bypass in Android Chrome
Type Values Removed Values Added
Description Confused deputy in WebAPKs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-441
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Oct 9, 2026, 1:38 AM
Reserved
Oct 6, 2026, 4:32 PM
Status
Modified
Published
Oct 6, 2026, 7:17 PM
Modified
Oct 9, 2026, 2:16 AM
Severity
Moderate
Public date
Oct 6, 2026, 6:41 PM