@metaplex-foundation/umi-serializers

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, so a manually published version cannot be tied back to a reviewed commit.

Maintainers

danenbm1nhanphanbrandontulsisvc01-metaplexdanenbmblockiosaurus

Accepted risks

Findings the reviewer chose to accept rather than block on.

Source	Rule	Reason	Accepted by	When
provenance	missing-githead	AI (provenance): Benign publish-env change on trusted Metaplex package; no material diff.	ai	2026/07/08
provenance	no-provenance	AI (provenance): Absence of Sigstore provenance is not a risk for this established package.	ai	2026/07/08
dependencies	unvetted-dep:@metaplex-foundation/umi-serializers-core	AI (dependencies): Sibling package in the Metaplex UMI monorepo; same org, same version constraint, expected internal dependency.	ai	2026/04/26
dependencies	unvetted-dep:@metaplex-foundation/umi-options	AI (dependencies): Sibling package in the Metaplex UMI monorepo; same org, same version constraint, expected internal dependency.	ai	2026/04/26
dependencies	unvetted-dep:@metaplex-foundation/umi-serializers-encodings	AI (dependencies): Sibling package in the Metaplex UMI monorepo; same org, same version constraint, expected internal dependency.	ai	2026/04/26
dependencies	unvetted-dep:@metaplex-foundation/umi-serializers-numbers	AI (dependencies): Sibling package in the Metaplex UMI monorepo; same org, same version constraint, expected internal dependency.	ai	2026/04/26
dependencies	unvetted-dep:@metaplex-foundation/umi-public-keys	AI (dependencies): Sibling package in the Metaplex UMI monorepo; same org, same version constraint, expected internal dependency.	ai	2026/04/26

Versions (showing 8 of 8)

Version	Deps	Published
1.5.1	5 / 2	2026-02-10
1.4.1	5 / 2	2025-09-01
1.4.0	5 / 2	2025-08-29
1.3.0	5 / 2	2025-08-28
1.2.0	5 / 2	2025-04-15
1.1.1	5 / 2	2025-02-26
1.1.0	5 / 2	2025-02-26
1.0.0	5 / 2	2025-01-08

v1.2.0

2 findings

HIGH Missing gitHead — previous versions had it provenance

This version has no gitHead field linking it to a source commit, but previous versions did. This suggests the publish environment changed. Published by: blockiosaurus.

LOW No provenance attestation provenance

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

v1.1.1

2 findings

HIGH Missing gitHead — previous versions had it provenance

This version has no gitHead field linking it to a source commit, but previous versions did. This suggests the publish environment changed. Published by: blockiosaurus.

LOW No provenance attestation provenance

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

v1.1.0

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.

v1.0.0

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.