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TI-2026-78371 Aliases CVE-2026-113197GHSA-rqhw-v93j-689q

Chrome Forms observable discrepancy leaks sensitive information

Priority MEDIUM 40CWE-203Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
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-203.

Summary

Observable discrepancy in Forms in Google Chrome before 156.0.8078.47 lets a remote attacker who uses social engineering obtain sensitive information through a crafted HTML page. The Chromium security severity is Medium, and the CVSS 3.1 base score is 8.8 (HIGH), with high confidentiality, integrity and availability impact. The weakness is CWE-203 (Observable Discrepancy). CISA has not added the flaw to KEV, and the CISA SSVC data lists exploitation as none and the attack as not automatable.

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

Description from the CNA

Observable discrepancy in Forms in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0037 31st 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 156.0.8078.47 or later. Red Hat lists one product as not affected.

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-2026-113197
  2. 2026-10-21 Alias added: GHSA-rqhw-v93j-689q
  3. 2026-10-21 Affected versions changed · Red Hat
  4. 2026-10-21 CVSS score added · Red Hat
  5. 2026-10-22 Priority changed: LOW → MEDIUM
  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