Type Confusion Affecting v8/v8 package, versions [,14.2.195-pgo)
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-V8V8-14040976
- published18 Nov 2025
- disclosed18 Nov 2025
- creditSeunghyun Lee
Introduced: 18 Nov 2025
NewCVE-2025-13230 (opens in a new tab)How to fix?
Upgrade v8/v8 to version 14.2.195-pgo or higher.
Overview
Affected versions of this package are vulnerable to Type Confusion via flawed subtyping logic in the WebAssembly type system. An attacker can exploit this vulnerability by constructing Wasm modules that rely on mismatched or custom descriptors, causing incorrect reachability or type assumptions.