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langfuse

npm Repository
10
Versions
—
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

mdeichmannmarliessophiehassiebmarcklingen

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
semgrep semgrep:api-obfuscation-reflect AI (semgrep): Reflect.get() is used in a Proxy trap for SDK wrapping — standard pattern for this observability library. ai
dependencies unvetted-dep:langfuse-core AI (dependencies): langfuse-core is the official companion package from the same org/repo; stable dependency across all versions. ai

Versions (showing 10 of 10)

Version Deps Published
3.38.20 1 / 1
3.38.4 1 / 1
3.38.3 1 / 1
3.38.2 1 / 1
3.38.1 1 / 1
3.38.0 1 / 1
3.37.6 1 / 1
3.37.5 1 / 1
3.37.4 1 / 1
3.37.3 1 / 1

v3.38.20

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.

v3.38.4

1 finding
LOW No provenance attestation provenance

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

v3.38.3

1 finding
LOW No provenance attestation provenance

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

v3.38.2

1 finding
LOW No provenance attestation provenance

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

v3.38.1

1 finding
LOW No provenance attestation provenance

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

v3.38.0

1 finding
LOW No provenance attestation provenance

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

v3.37.6

1 finding
LOW No provenance attestation provenance

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

v3.37.5

1 finding
LOW No provenance attestation provenance

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

v3.37.4

1 finding
LOW No provenance attestation provenance

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

v3.37.3

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.