Out-of-bounds Write Affecting v8/v8 package, versions [,15.2.38)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-V8V8-18189952
- published22 Jul 2026
- disclosed20 Jul 2026
- creditUnknown
Introduced: 20 Jul 2026
CVE-2026-15903 (opens in a new tab)How to fix?
Upgrade v8/v8 to version 15.2.38 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write via the V8 process. An attacker can execute arbitrary code within the sandboxed environment by enticing a user to visit a specially crafted HTML page.