Use After Free Affecting v8/v8 package, versions [,14.7.113-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-V8V8-15954244
  • published9 Apr 2026
  • disclosed8 Apr 2026
  • credit5shain

Introduced: 8 Apr 2026

CVE-2026-5861  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade v8/v8 to version 14.7.113-pgo or higher.

Overview

Affected versions of this package are vulnerable to Use After Free via the InspectedContext function. An attacker can achieve arbitrary code execution within the sandbox by enticing a user to visit a specially crafted HTML page.

CVSS Base Scores

version 4.0
version 3.1