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@esotericsoftware/spine-core

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The official Spine Runtimes for the web.

49
Versions
LicenseRef-LICENSE
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

badlogicnathansweetdaaaaa

Keywords

gamedevanimations2dspinegame-devruntimesskeletal

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
source-diff obfuscated-file:dist/attachments/HasTextureRegion.js AI (source-diff): Standard TS-compiled JS with inline source maps; expected build output for this package. ai
source-diff obfuscated-file:dist/Updatable.js AI (source-diff): Standard TS-compiled JS with inline source maps; expected build output for this package. ai
source-diff obfuscated-file:dist/Constraint.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/DrawOrder.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/attachments/HasSequence.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/IkConstraintPose.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/PathConstraintPose.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/Physics.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/PhysicsConstraintPose.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/Posed.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/PosedActive.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/SkeletonRendererCore.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/Slider.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/SliderData.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/SliderPose.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/SlotPose.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/TransformConstraintPose.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/Update.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff large-new-source-files AI (source-diff): 38 new files are a v4.3 API refactor of the official Spine runtime, not injected code. ai
bogus-package bogus-package AI (bogus-package): Official Esoteric Software runtime; no deps by design (pure TS library), short README is normal for a scoped SDK package. ai
source-diff obfuscated-file:dist/PosedData.js AI (source-diff): Inline sourcemap base64 triggers long-line detector; readable compiled TS, not malicious. ai
source-diff obfuscated-file:dist/BonePose.js AI (source-diff): Long lines are inline sourcemaps, not obfuscation; stable pattern for this compiled TS package. ai
source-diff obfuscated-file:dist/PhysicsConstraint.js AI (source-diff): Readable Spine Runtime source with license header; long lines are from bundled dist output, not obfuscation. ai
source-diff obfuscated-file:dist/PhysicsConstraintData.js AI (source-diff): Same pattern — legitimate ES module source with Esoteric Software license header, not obfuscated. ai

Versions (showing 49 of 49)

Version Deps Published
4.3.7 0 / 0
4.3.6 0 / 0
4.3.5 0 / 0
4.3.4 0 / 0
4.3.3 0 / 0
4.3.2 0 / 0
4.3.1 0 / 0
4.3.0 0 / 0
4.2.119 0 / 0
4.2.118 0 / 0
4.2.117 0 / 0
4.2.116 0 / 0
4.2.115 0 / 0
4.2.114 0 / 0
4.2.113 0 / 0
4.2.112 0 / 0
4.2.111 0 / 0
4.2.110 0 / 0
4.2.109 0 / 0
4.2.108 0 / 0
4.2.107 0 / 0
4.2.106 0 / 0
4.2.105 0 / 0
4.2.104 0 / 0
4.2.103 0 / 0
4.2.102 0 / 0
4.2.101 0 / 0
4.2.100 0 / 0
4.2.99 0 / 0
4.2.98 0 / 0
4.2.97 0 / 0
4.2.96 0 / 0
4.2.95 0 / 0
4.2.94 0 / 0
4.2.93 0 / 0
4.2.92 0 / 0
4.2.91 0 / 0
4.2.90 0 / 0
4.2.89 0 / 0
4.2.88 0 / 0
4.2.87 0 / 0
4.2.86 0 / 0
4.2.85 0 / 0
4.2.84 0 / 0
4.2.83 0 / 0
4.2.82 0 / 0
4.2.81 0 / 0
4.1.56 0 / 0
4.0.31 0 / 0

v4.3.7

1 finding
LOW No provenance attestation provenance

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

v4.3.6

2 findings
LOW No provenance attestation provenance

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

INFO OSV query failed osv

Unexpected character ('<' (code 60)): expected a valid value (JSON String, Number, Array, Object or token 'null', 'true' or 'false') at [Source: REDACTED (`StreamReadFeature.INCLUDE_SOURCE_IN_LOCATION` disabled); line: 2, column: 1]

v4.3.5

1 finding
LOW No provenance attestation provenance

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

v4.3.4

1 finding
LOW No provenance attestation provenance

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

v4.3.3

1 finding
LOW No provenance attestation provenance

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

v4.3.2

1 finding
LOW No provenance attestation provenance

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

v4.3.1

1 finding
LOW No provenance attestation provenance

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

v4.3.0

19 findings
HIGH New obfuscated file: dist/BonePose.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/Constraint.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/DrawOrder.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/attachments/HasSequence.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/IkConstraintPose.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/PathConstraintPose.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/Physics.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/PhysicsConstraintPose.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/Posed.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/PosedActive.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/PosedData.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/SkeletonRendererCore.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/Slider.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/SliderData.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/SliderPose.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/SlotPose.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/TransformConstraintPose.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/Update.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.

LOW No provenance attestation provenance

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

v4.2.119

3 findings
HIGH New obfuscated file: dist/attachments/HasTextureRegion.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/Updatable.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.

LOW No provenance attestation provenance

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

v4.2.118

3 findings
HIGH New obfuscated file: dist/attachments/HasTextureRegion.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/Updatable.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.

LOW No provenance attestation provenance

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

v4.2.117

3 findings
HIGH New obfuscated file: dist/attachments/HasTextureRegion.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/Updatable.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.

LOW No provenance attestation provenance

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

v4.2.116

1 finding
LOW No provenance attestation provenance

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

v4.2.115

1 finding
LOW No provenance attestation provenance

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

v4.2.114

1 finding
LOW No provenance attestation provenance

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

v4.2.112

3 findings
HIGH New obfuscated file: dist/PhysicsConstraint.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/PhysicsConstraintData.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.

LOW No provenance attestation provenance

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

v4.2.111

3 findings
HIGH New obfuscated file: dist/PhysicsConstraint.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/PhysicsConstraintData.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.

LOW No provenance attestation provenance

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

v4.2.110

3 findings
HIGH New obfuscated file: dist/PhysicsConstraint.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/PhysicsConstraintData.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.

LOW No provenance attestation provenance

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

v4.2.109

3 findings
HIGH New obfuscated file: dist/PhysicsConstraint.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/PhysicsConstraintData.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.

LOW No provenance attestation provenance

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

v4.2.108

1 finding
LOW No provenance attestation provenance

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

v4.2.107

1 finding
LOW No provenance attestation provenance

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

v4.2.106

1 finding
LOW No provenance attestation provenance

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

v4.2.105

1 finding
LOW No provenance attestation provenance

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

v4.2.104

1 finding
LOW No provenance attestation provenance

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

v4.2.103

1 finding
LOW No provenance attestation provenance

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

v4.2.102

1 finding
LOW No provenance attestation provenance

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

v4.2.101

1 finding
LOW No provenance attestation provenance

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

v4.2.100

1 finding
LOW No provenance attestation provenance

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

v4.2.99

1 finding
LOW No provenance attestation provenance

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

v4.2.98

1 finding
LOW No provenance attestation provenance

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

v4.2.97

1 finding
LOW No provenance attestation provenance

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

v4.2.96

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.

v4.2.95

1 finding
LOW No provenance attestation provenance

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

v4.2.94

1 finding
LOW No provenance attestation provenance

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

v4.2.93

1 finding
LOW No provenance attestation provenance

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

v4.2.92

1 finding
LOW No provenance attestation provenance

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

v4.2.91

1 finding
LOW No provenance attestation provenance

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

v4.2.90

1 finding
LOW No provenance attestation provenance

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

v4.2.89

1 finding
LOW No provenance attestation provenance

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

v4.2.88

1 finding
LOW No provenance attestation provenance

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

v4.2.87

1 finding
LOW No provenance attestation provenance

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

v4.2.86

1 finding
LOW No provenance attestation provenance

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

v4.2.85

1 finding
LOW No provenance attestation provenance

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

v4.2.84

1 finding
LOW No provenance attestation provenance

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

v4.2.83

1 finding
LOW No provenance attestation provenance

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

v4.2.82

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.

v4.2.81

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.

v4.1.56

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.

v4.0.31

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.