@microsoft/fast-foundation

A library of Web Component building blocks

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

awentzelchrisdholtniriceeisenbergeffectmicrosoft1esfastsvcjanechu

Accepted risks

Findings the reviewer chose to accept rather than block on.

Source	Rule	Reason	Accepted by	When
dependencies	unvetted-dep:@microsoft/fast-element	AI (dependencies): Sibling package in the Microsoft FAST monorepo; expected dependency for this package across all versions.	ai	2026/04/21
dependencies	unvetted-dep:@microsoft/fast-web-utilities	AI (dependencies): Sibling package in the Microsoft FAST monorepo; expected dependency for this package across all versions.	ai	2026/04/21
provenance	no-provenance	AI (provenance): Microsoft FAST packages do not currently publish Sigstore provenance; this is consistent across the ecosystem and not a risk indicator.	ai	2026/04/21

Versions (showing 100 of 161)

Version	Deps	Published
2.50.0	4 / 42	2024-10-23
2.49.6	4 / 42	2024-04-08
2.49.5	4 / 42	2024-01-23
2.49.4	4 / 42	2023-11-09
2.49.3	4 / 42	2023-11-01
2.49.2	4 / 42	2023-10-11
2.49.1	4 / 42	2023-08-11
2.49.0	4 / 42	2023-05-04
2.48.1	4 / 42	2023-04-14
2.48.0	4 / 42	2023-04-10
2.47.0	4 / 42	2022-10-25
2.46.14	4 / 42	2022-09-02
2.46.13	4 / 42	2022-08-27
2.46.12	4 / 42	2022-08-17
2.46.11	4 / 42	2022-07-26
2.46.10	4 / 42	2022-07-05
2.46.9	4 / 42	2022-05-29
2.46.8	4 / 42	2022-05-26
2.46.7	4 / 42	2022-05-25
2.46.6	4 / 42	2022-05-24
2.46.5	4 / 42	2022-05-22
2.46.4	4 / 42	2022-05-19
2.46.3	4 / 42	2022-05-10
2.46.2	4 / 42	2022-05-05
2.46.1	4 / 42	2022-05-04
2.46.0	4 / 42	2022-05-03
2.45.0	4 / 42	2022-05-01
2.44.0	4 / 42	2022-04-28
2.43.0	4 / 42	2022-04-27
2.42.2	4 / 42	2022-04-21
2.42.1	4 / 42	2022-04-17
2.42.0	4 / 42	2022-04-14
2.41.1	4 / 42	2022-04-07
2.41.0	4 / 42	2022-04-06
2.40.0	4 / 40	2022-04-03
2.39.0	4 / 40	2022-03-31
2.38.0	4 / 40	2022-03-27
2.37.2	4 / 40	2022-03-24
2.37.1	4 / 40	2022-03-20
2.37.0	4 / 40	2022-03-16
2.36.1	4 / 40	2022-03-15
2.36.0	4 / 40	2022-03-11
2.35.2	4 / 40	2022-03-09
2.35.1	4 / 40	2022-03-08
2.35.0	4 / 40	2022-03-06
2.34.0	4 / 40	2022-03-02
2.33.6	4 / 40	2022-02-25
2.33.5	4 / 40	2022-02-24
2.33.4	4 / 40	2022-02-20
2.33.3	4 / 40	2022-02-15
2.33.2	4 / 40	2022-02-10
2.33.1	4 / 40	2022-02-09
2.33.0	4 / 40	2022-02-06
2.32.3	4 / 40	2022-02-02
2.32.2	4 / 40	2022-01-30
2.32.1	4 / 40	2022-01-25
2.32.0	4 / 40	2022-01-23
2.31.0	4 / 40	2022-01-20
2.30.0	4 / 40	2022-01-16
2.29.0	4 / 40	2022-01-09
2.28.0	4 / 40	2022-01-06
2.27.3	4 / 40	2021-12-19
2.27.2	4 / 40	2021-12-15
2.27.1	4 / 40	2021-12-02
2.27.0	4 / 40	2021-11-23
2.26.2	4 / 40	2021-11-11
2.26.1	5 / 39	2021-11-10
2.26.0	5 / 39	2021-11-09
2.25.1	5 / 39	2021-11-04
2.25.0	5 / 39	2021-11-03
2.24.0	5 / 39	2021-10-31
2.23.2	5 / 39	2021-10-28
2.23.1	5 / 39	2021-10-27
2.23.0	5 / 39	2021-10-22
2.22.1	5 / 39	2021-10-21
2.22.0	5 / 39	2021-10-20
2.21.0	5 / 39	2021-10-15
2.20.0	5 / 39	2021-10-13
2.19.0	5 / 39	2021-10-13
2.18.0	5 / 40	2021-10-12
2.17.3	5 / 40	2021-10-10
2.17.2	5 / 40	2021-10-08
2.17.1	5 / 40	2021-10-06
2.17.0	5 / 40	2021-10-05
2.16.5	5 / 40	2021-09-30
2.16.4	5 / 40	2021-09-29
2.16.3	5 / 40	2021-09-28
2.16.2	5 / 40	2021-09-27
2.16.1	5 / 40	2021-09-23
2.16.0	5 / 40	2021-09-22
2.15.0	5 / 40	2021-09-19
2.14.0	5 / 40	2021-09-15
2.13.1	5 / 40	2021-09-14
2.13.0	5 / 40	2021-09-12
2.12.0	5 / 40	2021-09-09
2.11.0	5 / 40	2021-09-08
2.10.0	5 / 40	2021-09-02
2.9.1	5 / 40	2021-09-02
2.9.0	5 / 40	2021-09-01
2.8.1	5 / 40	2021-08-30

Showing 100 of 161 Next page →

v2.50.0

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.