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blob-polyfill

1
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

bjornstar

Keywords

blobpolyfill

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
semgrep semgrep:new-function-constructor AI (semgrep): Hardcoded string literal used to polyfill File class; not dynamic/user-controlled input. Stable pattern for this package. ai

Versions (showing 1 of 1)

Version Deps Published
9.0.20240710 0 / 3

v9.0.20240710

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.