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TI-2026-78210 Aliases CVE-2026-113036GHSA-58pg-4r4w-gphv

Google Chrome HTML Incorrect Authorization Allows Origin Policy Bypass

Priority MEDIUM 40CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

Incorrect authorization in HTML in Google Chrome before 156.0.8078.47 allows a remote attacker to bypass web origin policy by luring a user to a crafted HTML page. The CVSS 3.1 base score is 8.8 (HIGH) and the weakness is CWE-863, Incorrect Authorization. Chromium rates the security severity as Low. CISA has not added it to KEV, and its SSVC assessment reports no exploitation, not automatable, and total technical impact.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

Incorrect authorization in HTML in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00324 25th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 156.0.8078.47

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
GoogleChrome156.0.8078.47 to before 156.0.8078.47156.0.8078.47Patch availableCNA
  • Chrome VendorGoogle Affected 156.0.8078.47 to before 156.0.8078.47 Fixed in 156.0.8078.47 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 156.0.8078.47VulnerableGoogle
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 156.0.8078.47 Vulnerable ·Google

Remediation

Update Google Chrome to version 156.0.8078.47 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

  • Fix · CNA Chrome (Google) Fixed in 156.0.8078.47

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Google Chrome 156.0.8078.47

    353 records Highest priority Priority HIGH 10 HIGH, 292 MEDIUM, 51 LOW

    Other records, highest priority first

    • TI-2026-78505 Observable discrepancy in Google Chrome Controls leaks sensitive dataPriority HIGH 73
    • TI-2026-78321 Input validation flaw in Google Chrome WebShare allows sandbox escapePriority HIGH 73
    • TI-2026-78320 Chrome PerformanceAPIs flaw lets web pages read cross-origin dataPriority HIGH 73
    Show all 353 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-113036
  2. 2026-10-21 Alias added: GHSA-58pg-4r4w-gphv
  3. 2026-10-22 Priority changed: LOW → MEDIUM
  4. 2026-10-22 Affected versions changed · Red Hat
  5. 2026-10-22 CVSS score added · Red Hat
  6. 2026-11-03 Title updated · CNA
  7. 2026-11-03 Weakness changed · CNA

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