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@microsoft/webui

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WebUI — high-performance server-side rendering framework. Build-time protocol compiler and streaming renderer.

4
Versions
MIT
License
Yes
Install Scripts
Missing
Provenance

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 — the axios compromise (March 2026) relied on exactly this gap.

Maintainers

microsoft1esmicrosoft-oss-releases

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
install-scripts install-script:postinstall AI (install-scripts): Postinstall selects platform-specific native binary from optional deps; standard pattern for this package. ai
typosquat typosquat.levenshtein:debug AI (typosquat): Scoped @microsoft/ package; Levenshtein match to 'debug' is a false positive. ai
phantom-deps phantom-dep:@microsoft/webui-linux-x64 AI (phantom-deps): Optional platform-specific dep loaded dynamically by install.js; not directly imported by design. ai
phantom-deps phantom-dep:@microsoft/webui-win32-x64 AI (phantom-deps): Optional platform-specific dep loaded dynamically by install.js; not directly imported by design. ai
phantom-deps phantom-dep:@microsoft/webui-darwin-x64 AI (phantom-deps): Optional platform-specific dep loaded dynamically by install.js; not directly imported by design. ai
phantom-deps phantom-dep:@microsoft/webui-linux-arm64 AI (phantom-deps): Optional platform-specific dep loaded dynamically by install.js; not directly imported by design. ai
phantom-deps phantom-dep:@microsoft/webui-win32-arm64 AI (phantom-deps): Optional platform-specific dep loaded dynamically by install.js; not directly imported by design. ai
phantom-deps phantom-dep:@microsoft/webui-darwin-arm64 AI (phantom-deps): Optional platform-specific dep loaded dynamically by install.js; not directly imported by design. ai

Versions (showing 4 of 4)

Version Deps Published
0.0.10 6 / 2
0.0.5 6 / 3
0.0.4 6 / 3
0.0.3 6 / 3

v0.0.10

3 findings
HIGH Package has 'postinstall' script install-scripts

Script: node --input-type=module -e "try{await import('./dist/install.js')}catch{}"

HIGH Bundled binary files (1) npm-metadata

Package contains compiled binaries that could be backdoors: • bin/webui

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.

v0.0.5

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node --input-type=module -e "try{await import('./dist/install.js')}catch{}"

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.

v0.0.4

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node --input-type=module -e "try{await import('./dist/install.js')}catch{}"

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.

v0.0.3

2 findings
HIGH Package has 'postinstall' script install-scripts

Script: node --input-type=module -e "try{await import('./dist/install.js')}catch{}"

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.