Unsafe Dependency Resolution Affecting @pnpm/building.policy package, versions <1100.0.8
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-JS-PNPMBUILDINGPOLICY-17661052
- published28 Jun 2026
- disclosed26 Jun 2026
- creditUnknown
Introduced: 26 Jun 2026
CVE-2026-55487 (opens in a new tab)How to fix?
Upgrade @pnpm/building.policy to version 1100.0.8 or higher.
Overview
@pnpm/building.policy is a Create a function for filtering out dependencies that are not allowed to be built
Affected versions of this package are vulnerable to Unsafe Dependency Resolution via the approval process for dependency sources. An attacker can execute unauthorized code during the build lifecycle by crafting a dependency source locator that collides with an approved source after normalization, thereby bypassing intended build policy restrictions.