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… (CVE-2026-106405)
Description
A race condition vulnerability in the CustomTabs component of Google Chrome on Android versions prior to 155.0.8059.39 allows a local attacker to bypass the web origin policy via a co-installed app. This vulnerability has a medium severity rating and impacts confidentiality and integrity without affecting availability.
CVSS v3.1
Score 6.0medium
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-106405 describes a race condition in the CustomTabs feature of Google Chrome on Android devices before version 155.0.8059.39. This flaw enables a local attacker, through a co-installed application, to bypass the web origin policy, potentially compromising the confidentiality and integrity of web content. The vulnerability is classified under CWE-367 (Time-of-check Time-of-use Race Condition) and has a CVSS 3.1 base score of 6.0, reflecting medium severity. The attack vector requires local access with low privileges and user interaction, and the attack complexity is high.
Potential Impact
Successful exploitation allows a local attacker with a co-installed app to bypass the web origin policy, potentially leading to unauthorized access to sensitive web data and modification of web content within the affected browser context. The vulnerability impacts confidentiality and integrity but does not affect availability.
Mitigation Recommendations
A fix is available in Google Chrome for Android version 155.0.8059.39 and later. Users and administrators should update to this version or newer to remediate the vulnerability. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-36gf-46c5-pp35
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-106405"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac80f1a2cdf04f656390558
Added to database: 10/08/2026, 21:46:02 UTC
Last enriched: 10/08/2026, 21:48:48 UTC
Last updated: 10/09/2026, 00:48:07 UTC
Views: 3
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