cbor-x
Ultra-fast and conformant CBOR (RFC 8949) implementation with support for numerous tag extensions including records and structured cloning
2
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
kriszyp
Keywords
CBORperformancestructuredclone
Accepted risks
Findings the reviewer chose to accept rather than block on.
| Source | Rule | Reason | Accepted by | When |
|---|---|---|---|---|
| semgrep | semgrep:new-function-constructor | AI (semgrep): The new Function() call is a feature-detection probe in a try/catch to check eval support, not dynamic execution of untrusted input. This is a stable, documented pattern in cbor-x's JIT decoder. | ai |
v1.6.4
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.
v1.6.3
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.