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media-typer

Simple RFC 6838 media type parser and formatter

9
Versions
MIT
License
No
Install Scripts
Missing
Provenance

Supply chain provenance

Status for the latest visible version.

No SLSA provenance npm registry signatures gitHead linked

Without SLSA provenance there is no cryptographic link between this tarball and the public source — the axios compromise (March 2026) relied on exactly this gap.

Maintainers

ulisesgasconblakeembreydougwilson

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): blakeembrey is a known jshttp/Express maintainer; legitimate transition from dougwilson. ai
maintainer-change maintainer-added AI (maintainer-change): blakeembrey and ulisesgascon are established Express org members. ai
publish-pattern dormant-publish AI (publish-pattern): Major version rewrite after stable v1; dormancy expected for small utility. ai
npm-metadata suspicious-initial-version AI (npm-metadata): Version 0.0.0 is the legitimate initial release of this 11+ year old package by trusted Express.js maintainer dougwilson. Not a malicious throwaway. ai
provenance no-provenance AI (provenance): Package predates Sigstore provenance by many years; absence is expected for this era of publication by a trusted publisher. ai

Versions (showing 9 of 9)

Version Deps Published
2.0.0 0 / 6
1.1.0 0 / 9
1.0.2 0 / 9
1.0.1 0 / 9
1.0.0 0 / 9
0.3.0 0 / 3
0.2.0 0 / 3
0.1.0 0 / 3
0.0.0 0 / 3

v2.0.0

2 findings
HIGH Publisher changed: dougwilson → blakeembrey (on 2026-05-27) provenance

This version was published by a different npm account than previous versions on 2026-05-27. This could indicate a legitimate maintainer transition or an account compromise.

INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.2

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.2.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.1.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.0.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.