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npm package intelligence

eslint — deep security report

ShadowCanopy's full breakdown of eslint on npm: verdict, AI analysis, dependency chain, network behavior, prebuilds, and obfuscated code.

Safe to use
Deep-scanned by ShadowCanopy — no threats found in its code, dependencies, or network behavior.
Scanned 10/3/2026
Approvedeslint@10.12.0View on registry ↗latest: 10.12.0

All findings are false positives from legitimate ESLint source (unicode line terminators/escapes in regexes and string parsers, Function() patterns in AST helpers, long identifiers, and 'eval' mentions in docs). No malicious behavior present.

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AI breakdown

Plain-English summary of what this package does and how it behaves.

ESLint is an AST-based pattern checker for JavaScript, providing linting rules, a CLI binary, and a programmatic API.

Capabilities

  • Exposes eslint CLI binary
  • Includes numerous JavaScript linting rules
  • Parses code with espree and related AST tools
  • Runs extensive npm scripts for build, test, and lint

Data access

  • Filesystem
  • Environment variables

Network

  • No network access observed

Widely used legitimate linting tool with many dependencies and build scripts; repeated static findings of obfuscated source files may require verification before adoption.

Dependency & execution chain

Every package this one pulls in, colored by verdict. Expand to walk the tree.

74 packages31 direct1 flagged
eslint@10.12.016 findings
ajv@8.20.04 findings
debug@4.4.3
espree@11.2.0
ignore@7.0.124 findings
esquery@1.7.08 findings
esutils@2.0.32 findings
find-up@8.0.0
is-glob@4.0.3
minimatch@10.2.6
optionator@0.9.4
eslint-scope@9.1.22 findings
@eslint/config-array@0.23.58 findings
@eslint-community/regexpp@4.12.22 findings

Obfuscated / hidden code

Encoded payloads decoded statically (without executing them) so you can see what they resolve to.

Obfuscated source filelib/rules/no-irregular-whitespace.js

Multiple obfuscation patterns in lib/rules/no-irregular-whitespace.js

Obfuscated source filepackage/lib/rules/no-irregular-whitespace.js

Multiple obfuscation patterns in package/lib/rules/no-irregular-whitespace.js

Security findings (16)

Static analysis rule matches, with the exact code that triggered them.

mediumObfuscated source fileATK-023lib/rules/utils/ast-utils.js

Multiple obfuscation patterns in lib/rules/utils/ast-utils.js

mediumObfuscated source fileATK-023package/lib/rules/utils/ast-utils.js

Multiple obfuscation patterns in package/lib/rules/utils/ast-utils.js

mediumObfuscated source fileATK-023lib/rules/utils/char-source.js

Multiple obfuscation patterns in lib/rules/utils/char-source.js

mediumObfuscated source fileATK-023package/lib/rules/utils/char-source.js

Multiple obfuscation patterns in package/lib/rules/utils/char-source.js

mediumObfuscated source fileATK-023lib/linter/linter.js

Multiple obfuscation patterns in lib/linter/linter.js

mediumObfuscated source fileATK-023package/lib/linter/linter.js

Multiple obfuscation patterns in package/lib/linter/linter.js

mediumObfuscated source fileATK-023lib/rules/no-irregular-whitespace.js

Multiple obfuscation patterns in lib/rules/no-irregular-whitespace.js

mediumObfuscated source fileATK-023package/lib/rules/no-irregular-whitespace.js

Multiple obfuscation patterns in package/lib/rules/no-irregular-whitespace.js

mediumObfuscated source fileATK-023lib/rules/no-return-await.js

Multiple obfuscation patterns in lib/rules/no-return-await.js

mediumObfuscated source fileATK-023package/lib/rules/no-return-await.js

Multiple obfuscation patterns in package/lib/rules/no-return-await.js

mediumObfuscated source fileATK-023lib/rules/no-underscore-dangle.js

Multiple obfuscation patterns in lib/rules/no-underscore-dangle.js

mediumObfuscated source fileATK-023package/lib/rules/no-underscore-dangle.js

Multiple obfuscation patterns in package/lib/rules/no-underscore-dangle.js

mediumObfuscated source fileATK-023lib/rules/no-useless-return.js

Multiple obfuscation patterns in lib/rules/no-useless-return.js

mediumObfuscated source fileATK-023package/lib/rules/no-useless-return.js

Multiple obfuscation patterns in package/lib/rules/no-useless-return.js

mediumObfuscated source fileATK-023lib/types/rules.d.ts

Multiple obfuscation patterns in lib/types/rules.d.ts

mediumObfuscated source fileATK-023package/lib/types/rules.d.ts

Multiple obfuscation patterns in package/lib/types/rules.d.ts

Package metadata

LicenseMIT

An AST-based pattern checker for JavaScript.

Homepage ↗Repository ↗

Files in package (500)

LICENSEpackage/LICENSElib/rules/accessor-pairs.jspackage/lib/rules/accessor-pairs.jslib/shared/ajv.jspackage/lib/shared/ajv.jsmessages/all-matched-files-ignored.jspackage/messages/all-matched-files-ignored.jslib/api.jspackage/lib/api.jslib/linter/apply-disable-directives.jspackage/lib/linter/apply-disable-directives.jslib/rules/array-bracket-newline.jspackage/lib/rules/array-bracket-newline.jslib/rules/array-bracket-spacing.jspackage/lib/rules/array-bracket-spacing.jslib/rules/array-callback-return.jspackage/lib/rules/array-callback-return.jslib/rules/array-element-newline.jspackage/lib/rules/array-element-newline.jslib/rules/arrow-body-style.jspackage/lib/rules/arrow-body-style.jslib/rules/arrow-parens.jspackage/lib/rules/arrow-parens.jslib/rules/arrow-spacing.jspackage/lib/rules/arrow-spacing.jslib/shared/assert.jspackage/lib/shared/assert.jslib/rules/utils/ast-utils.jspackage/lib/rules/utils/ast-utils.jslib/shared/ast-utils.jspackage/lib/shared/ast-utils.jslib/languages/js/source-code/token-store/backward-token-comment-cursor.jspackage/lib/languages/js/source-code/token-store/backward-token-comment-cursor.jslib/languages/js/source-code/token-store/backward-token-cursor.jspackage/lib/languages/js/source-code/token-store/backward-token-cursor.jslib/rules/block-scoped-var.jspackage/lib/rules/block-scoped-var.jslib/rules/block-spacing.jspackage/lib/rules/block-spacing.js

How ShadowCanopy checks npm packages

ShadowCanopy blocks every dependency by default and only lets through what it can verify — against live malicious-package advisories, an AI behavior scan, and a byte-for-byte hash check. It protects installs across npm, PyPI, crates.io, pkg.go.dev, RubyGems, Maven Central, NuGet, Packagist, Hex, pub.dev, Swift Package Manager.

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This report reflects ShadowCanopy's threat intelligence at page load and is informational, not a warranty. Canonical URL: https://shadowcanopy.dev/packages/npm/eslint

Is eslint safe? npm package security — ShadowCanopy · ShadowCanopy