Access of Resource Using Incompatible Type ('Type Confusion') Affecting v8/v8 package, versions [,14.5.198-pgo)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-UNMANAGED-V8V8-15954285
  • published9 Apr 2026
  • disclosed8 Apr 2026
  • creditGoogle

Introduced: 8 Apr 2026

CVE-2026-5862  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade v8/v8 to version 14.5.198-pgo or higher.

Overview

Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type ('Type Confusion') in deopt use counting for deopt scope data. An attacker can execute arbitrary code within the sandboxed environment by enticing a user to visit a specially crafted HTML page.

CVSS Base Scores

version 4.0
version 3.1