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@cloudflare/kumo

Kumo - Cloudflare's component library for building modern web applications

19
Versions
MIT
License
No
Install Scripts
Verified
Provenance

Supply chain provenance

Status for the latest visible version.

SLSA provenance attestation npm registry signatures No source commit

Maintainers

cf-ci-writecf-npm-publish

Keywords

reactcomponentsuicloudflaredesign-system

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance missing-githead AI (provenance): SLSA provenance attestation present; gitHead absence is superseded by Sigstore attestation for this package. ai
source-diff obfuscated-file:dist/chunks/github-light-ulev8flhimfg79ob.js AI (source-diff): Frozen JSON.parse of shiki GitHub Light theme color data; not malicious. ai
source-diff obfuscated-file:dist/chunks/html-kl304jmqj4jxj777.js AI (source-diff): Frozen JSON.parse of shiki HTML TextMate grammar; minified syntax definition. ai
source-diff obfuscated-file:dist/chunks/javascript-hhx3avh9uv2o27ay.js AI (source-diff): Frozen JSON.parse of shiki JavaScript TextMate grammar; minified syntax definition. ai
source-diff obfuscated-file:dist/chunks/jsonc-jbkkgjer6ispw2u3.js AI (source-diff): Frozen JSON.parse of shiki JSONC TextMate grammar; minified syntax definition. ai
source-diff obfuscated-file:dist/chunks/jsx-ij885l2li2lzfoss.js AI (source-diff): Frozen JSON.parse of shiki JSX TextMate grammar; minified syntax definition. ai
source-diff obfuscated-file:dist/chunks/bash-g5z23u7me5rx7bzt.js AI (source-diff): Frozen JSON.parse of shiki TextMate grammar data; minified syntax definition, not obfuscated malware. ai
source-diff obfuscated-file:dist/chunks/cloudflare-logo-bgts2jgsdh7sslw4.js AI (source-diff): Cloudflare SVG logo path data as inline constants; not obfuscated malware. ai
source-diff obfuscated-file:dist/chunks/css-d1mi3wy1sl3fzekh.js AI (source-diff): Frozen JSON.parse of shiki CSS TextMate grammar; minified syntax definition. ai
source-diff obfuscated-file:dist/chunks/graphql-ft2h47erta7isqn4.js AI (source-diff): Frozen JSON.parse of shiki GraphQL TextMate grammar; minified syntax definition. ai
source-diff obfuscated-file:dist/chunks/hcl-hcu7d6ja6t540ijn.js AI (source-diff): Frozen JSON.parse of shiki HCL TextMate grammar; minified syntax definition. ai
phantom-deps phantom-dep:tailwind-merge AI (phantom-deps): Listed as runtime dependency; used via config files rather than direct import. ai
phantom-deps phantom-dep:@shikijs/themes AI (phantom-deps): Listed as runtime dependency; used via config files rather than direct import. ai
phantom-deps phantom-dep:@shikijs/langs AI (phantom-deps): Listed as runtime dependency; used via config files rather than direct import. ai
semgrep semgrep:new-function-constructor AI (semgrep): Build-time variant parser operating on controlled source file content; not user-supplied input. ai

Versions (showing 19 of 19)

Version Deps Published
2.5.0 8 / 32
2.4.1 8 / 32
2.4.0 8 / 32
2.3.1 8 / 32
2.3.0 8 / 32
2.2.2 8 / 32
2.2.1 8 / 32
2.2.0 8 / 32
2.1.0 8 / 32
2.0.5 8 / 32
2.0.4 8 / 32
2.0.3 8 / 32
2.0.2 8 / 32
2.0.1 8 / 32
2.0.0 8 / 32
1.19.0 8 / 32
1.18.0 8 / 32
1.17.0 8 / 32
1.0.0 3 / 30

v2.5.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.4.1

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.4.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.3.1

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.3.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.2.2

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.2.1

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.2.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.1.0

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: GitHub Actions.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.0.5

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.0.4

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.0.3

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.0.2

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.0.1

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: GitHub Actions.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v2.0.0

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: GitHub Actions.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.18.0

13 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: GitHub Actions.

HIGH Publisher changed: cf-npm-publish → GitHub Actions (on 2026-04-08) provenance

This version was published by a different npm account than previous versions on 2026-04-08. This could indicate a legitimate maintainer transition or an account compromise.

HIGH New obfuscated file: dist/chunks/bash-g5z23u7me5rx7bzt.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/cloudflare-logo-bgts2jgsdh7sslw4.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/css-d1mi3wy1sl3fzekh.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/github-light-ulev8flhimfg79ob.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/graphql-ft2h47erta7isqn4.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/hcl-hcu7d6ja6t540ijn.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/html-kl304jmqj4jxj777.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/javascript-hhx3avh9uv2o27ay.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/jsonc-jbkkgjer6ispw2u3.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/jsx-ij885l2li2lzfoss.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.17.0

13 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: GitHub Actions.

HIGH Publisher changed: cf-npm-publish → GitHub Actions (on 2026-04-03) provenance

This version was published by a different npm account than previous versions on 2026-04-03. This could indicate a legitimate maintainer transition or an account compromise.

HIGH New obfuscated file: dist/chunks/bash-g5z23u7me5rx7bzt.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/cloudflare-logo-bgts2jgsdh7sslw4.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/css-d1mi3wy1sl3fzekh.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/github-light-ulev8flhimfg79ob.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/graphql-ft2h47erta7isqn4.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/hcl-hcu7d6ja6t540ijn.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/html-kl304jmqj4jxj777.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/javascript-hhx3avh9uv2o27ay.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/jsonc-jbkkgjer6ispw2u3.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: dist/chunks/jsx-ij885l2li2lzfoss.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

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.