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kubo

6
Versions
License
Yes
Install Scripts
Missing
Provenance

Supply chain provenance

Status for the latest visible version.

No SLSA provenance npm registry signatures No source commit

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

oneandonlydave

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
install-scripts install-script:postinstall AI (install-scripts): Documented binary-download postinstall; stable pattern across all kubo versions. ai
semgrep semgrep:child-process-import AI (semgrep): child_process used in download.js for binary extraction; expected for this native binary wrapper. ai

Versions (showing 6 of 6)

Version Deps Published
0.41.0 7 / 12
0.40.1 7 / 12
0.40.0 7 / 12
0.39.0 7 / 12
0.38.0 7 / 12
0.35.0 7 / 12

v0.41.0

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node src/post-install.js

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.40.1

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node src/post-install.js

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.

v0.40.0

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node src/post-install.js

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.

v0.39.0

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node src/post-install.js

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.

v0.38.0

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node src/post-install.js

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.

v0.35.0

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node src/post-install.js

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.