Chrome for Android Omnibox flaw lets pages bypass web origin policy
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Improper input validation in the Omnibox in Google Chrome on Android before 155.0.8059.39 allows bypass of web origin policy (CWE-20). A remote attacker who uses social engineering needs a victim to open a crafted HTML page, which requires user interaction.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Improper input validation in Omnibox 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: High)
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chrome | 155.0.8059.39 to before 155.0.8059.39 | 155.0.8059.39 | Patch available | CNA |
- Chrome VendorGoogle Affected 155.0.8059.39 to before 155.0.8059.39 Fixed in 155.0.8059.39 Patch available CNA
Remediation
Update Google Chrome on Android to version 155.0.8059.39 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Chrome (Google) Fixed in 155.0.8059.39
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 155.0.8059.39
247 records Highest priority Priority MEDIUM 54 MEDIUM, 193 LOW
Other records, highest priority first
- TI-2026-68849 Uninitialized resource in WebAudio in Google Chrome exposes memoryPriority MEDIUM 62
- TI-2026-68659 Chrome Chromoting on Mac flaw lets remote attackers bypass access restrictionsPriority MEDIUM 47
- TI-2026-68758 Incomplete cleanup in Chrome Chromoting on Mac allows access bypassPriority MEDIUM 45
Vendor assessments
Timeline
- 2026-10-06 Threatist record created from CVE-2026-106396
- 2026-10-07 Alias added: GHSA-v77m-89g6-9qmw
- 2026-10-09 Affected versions changed · Red Hat
- 2026-10-09 CVSS score added · Red Hat
- 2026-10-11 CVSS score added · CISA ADP
References
More Google Chrome vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2026-106396 · CVE Program
- CVE-2026-106396 · NVD
- FIRST EPSS
- GHSA-v77m-89g6-9qmw · GitHub Advisory Database · CC BY 4.0
- CVE-2026-106396 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences