Read the docs
TI-2026-68829 Aliases CVE-2026-106366GHSA-p5x7-pmr2-6jpr

CustomTabs cleanup flaw in Chrome on Android bypasses origin policy

Priority LOW 26CWE-459Published · Updated

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

Google Chrome on Android prior to 155.0.8059.39 has incomplete cleanup in CustomTabs (CWE-459). A remote attacker can bypass the web origin policy if a user opens a crafted HTML page.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Incomplete cleanup in CustomTabs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00217 12th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 155.0.8059.39

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChrome155.0.8059.39 to before 155.0.8059.39155.0.8059.39Patch availableCNA
  • Chrome VendorGoogle Affected 155.0.8059.39 to before 155.0.8059.39 Fixed in 155.0.8059.39 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 155.0.8059.39VulnerableGoogle
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*not specified by NVDRunning onGoogle
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 155.0.8059.39 Vulnerable ·Google
  • cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google

Remediation

Update Google Chrome on Android to 155.0.8059.39.

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
    Show all 247 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-106366
  2. 2026-10-07 Alias added: GHSA-p5x7-pmr2-6jpr
  3. 2026-10-08 Affected versions changed · Red Hat
  4. 2026-10-08 CVSS score added · Red Hat
  5. 2026-10-14 CVSS score added · CISA ADP
  6. 2026-10-14 CISA SSVC decision points changed

References

Advisory 1

Other 1

  • 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
See all 7586 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences