CVE-2026-106405

chromium-browser: chromium-browser: Race condition in CustomTabs

Published Oct 6, 2026 CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
Description
Race condition in CustomTabs in Google Chrome on on Android prior to 155.0.8059.39 allowed a local attacker to bypass web origin policy via a co-installed app. (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
First Time appeared Google android
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Vendors & Products Google android
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
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title chromium-browser: chromium-browser: Race condition in CustomTabs
Weaknesses CWE-368
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
Description Race condition in CustomTabs in Google Chrome on on Android prior to 155.0.8059.39 allowed a local attacker to bypass web origin policy via a co-installed app. (Chromium security severity: Medium)
Weaknesses CWE-367
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Oct 8, 2026, 3:47 PM
Reserved
Oct 6, 2026, 4:38 PM
Status
Analyzed
Published
Oct 6, 2026, 7:18 PM
Modified
Oct 9, 2026, 2:26 PM
Severity
Moderate
Public date
Oct 6, 2026, 6:41 PM