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@sigstore/core vulnerabilities

Vulnerabilities published for @sigstore/core in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2026-48758

    Medium · CVSS 5.4EPSS 0.24%Fix available

    sigstore-js: DSSE payloadType type-binding failure

    sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature and breaking the type-binding guarantee that DSSE is designed to provide. This issue is fixed in version 3.2.1.

    @sigstore/coreNode.js
    • Update to 3.2.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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