Notes: This loader establishes a Node.js WASI/worker environment that: 1) passes the entire host process.env into the WASI instance (exposing all environment variables, including secrets, to loaded modules); 2) preopens the filesystem root (granting broad file read/write access under the host’s root directory); and 3) implements importScripts via synchronous fs.readFileSync + eval (allowing any local JS file to be executed in the loader context). If an untrusted or compromised WASM module or script is provided, it can read sensitive environment variables, access or modify arbitrary files, and execute arbitrary JavaScript—posing a moderate security risk. Recommended mitigations: restrict WASI preopens to a minimal directory, limit or sanitize environment variables passed into WASI, and replace or sandbox the eval-based importScripts mechanism.

Confidence: 1.00

Severity: 0.60

From: package-lock.json → npm/vite@8.0.14 → npm/@rolldown/binding-wasm32-wasi@1.0.2

ℹ Read more on: This package | This alert | What is an AI-detected potential code anomaly?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: An AI system found a low-risk anomaly in this package. It may still be fine to use, but you should check that it is safe before proceeding.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/@rolldown/binding-wasm32-wasi@1.0.2. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Notes: A JS loader bootstraps a WASI-enabled WebAssembly module and forwards the full host process.env into the WASI environment and worker contexts while preopening the host filesystem root. This design enables an untrusted or tampered WASM binary to read environment variables and access numerous files, potentially exfiltrating data through any available host or network channel. Treat the module as high-risk unless the WASM artifact is from a trusted source; mitigate by restricting preopens to specific directories, avoiding full process.env exposure, and validating the integrity of the WASM binary.

Confidence: 1.00

Severity: 0.60

From: package-lock.json → npm/vite@8.0.14 → npm/@rolldown/binding-wasm32-wasi@1.0.2

ℹ Read more on: This package | This alert | What is an AI-detected potential code anomaly?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: An AI system found a low-risk anomaly in this package. It may still be fine to use, but you should check that it is safe before proceeding.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/@rolldown/binding-wasm32-wasi@1.0.2. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

URLs: https://github.com/streamich/memfs, output.name, https://github.com/npm/cli/issues/4828, https://developer.mozilla.org/en-US/docs/Glossary/IIFE, https://github.com/umdjs/umd, https://github.com/tc39/ecma426/blob/main/proposals/debug-id.md, https://cdn.jsdelivr.net/npm/d3@7, comments.legal, https://rolldown.rs/in-depth/manual-code-splitting, https://rolldown.rs/reference/OutputOptions.exports, https://rolldown.rs/in-depth/non-esm-output-formats#import-meta, https://rolldown.rs/reference/OutputOptions.cleanDir, https://github.com/rolldown/plugins/tree/main/packages/transform-imports, https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Property_accessors, https://oxc.rs/docs/guide/usage/transformer/global-variable-replacement.html#inject, https://rolldown.rs/apis/plugin-api/hook-filters, https://rolldown.rs/apis/plugin-api/inter-plugin-communication#custom-resolver-options, https://oxc.rs/docs/guide/usage/minifier/dead-code-elimination#define-pure-functions, https://oxc.rs/docs/guide/usage/minifier/dead-code-elimination#ignoring-global-variable-access-side-effects, https://oxc.rs/docs/guide/usage/minifier/dead-code-elimination#ignoring-invalid-import-statement-side-effects, exports.property, https://rolldown.rs/apis/plugin-api, https://api.example.com, https://esbuild.github.io/api/#loader, https://rolldown.rs/in-depth/module-types, https://github.com/rolldown/rolldown/issues/7258, https://github.com/rolldown/rolldown/tree/main/examples/native-magic-string, https://rolldown.rs/in-depth/lazy-barrel-optimization, https://rollupjs.org/plugin-development/#generatebundle:~:text=DANGER,this.emitFile., https://rolldown.rs/., Function.prototype.name, Class.prototype.name, https://github.com/webpack/enhanced-resolve#resolver-options, https://webpack.js.org/configuration/resolve/, https://github.com/defunctzombie/package-browser-field-spec, https://github.com/webpack/enhanced-resolve/pull/285, https://webpack.js.org/configuration/module/#resolvefullyspecified, https://nodejs.org/api/module.html#modulebuiltinmodules, https://github.com/vitejs/vite/pull/20252, https://github.com/nodejs/node/issues/58827, https://nodejs.org/docs/latest/api/esm.html#resolution-algorithm-specification, https://github.com/dividab/tsconfig-paths-webpack-plugin#options, https://www.typescriptlang.org/tsconfig/#experimentalDecorators, https://www.typescriptlang.org/tsconfig/#emitDecoratorMetadata, https://www.typescriptlang.org/tsconfig/#stripInternal, https://oxc.rs/docs/guide/usage/transformer/jsx, https://github.com/facebook/react/tree/v18.3.1/packages/react-refresh, https://oxc.rs/docs/guide/usage/transformer/plugins#styled-components, https://oxc.rs/docs/guide/usage/transformer/typescript, https://oxc.rs/docs/guide/usage/transformer/lowering#target, https://oxc.rs/docs/guide/usage/transformer/global-variable-replacement#define, https://oxc.rs/docs/guide/usage/transformer/global-variable-replacement#inject, https://oxc.rs/docs/guide/usage/transformer/plugins, https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-5.html#isolated-declarations, https://www.typescriptlang.org/tsconfig/#declaration

Location: Package overview

From: package-lock.json → npm/vite@8.0.14 → npm/rolldown@1.0.2

ℹ Read more on: This package | This alert | What are URL strings?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Review all remote URLs to ensure they are intentional, pointing to trusted sources, and not being used for data exfiltration or loading untrusted code at runtime.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/rolldown@1.0.2. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

URLs: https://vite.dev/config/server-options.html#server-hmr, http://vite.dev, https://github.com/rollup/plugins/tree/master/packages/alias#entries, https://github.com/micromatch/anymatch, https://nodejs.org/api/fs.html#fs_class_fs_stats, example.com, foo.example.com, foo.bar.example.com, http://jsonplaceholder.typicode.com, https://github.com/SuperchupuDev/tinyglobby, https://esbuild.github.io/api/#target, https://esbuild.github.io/content-types/#javascript, license.md, https://rollupjs.org/configuration-options/#watch, http://127.0.0.1:8080, config.server.watch, server.environments.client.hot, import.meta.hot, https://en.wikipedia.org/wiki/Combining_Diacritical_Marks, https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols, https://mathiasbynens.be/notes/javascript-unicode, http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/, https://en.wikipedia.org/wiki/CamelCase, https://en.wikipedia.org/wiki/Latin-1_Supplement_, https://en.wikipedia.org/wiki/Latin_Extended-A, _.map, 127.0.0.1, 0.0.0.0, https://example.com, https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state, http://www.w3.org/1999/xhtml, http://www.w3.org/1998/Math/MathML, http://www.w3.org/2000/svg, http://www.w3.org/1999/xlink, http://www.w3.org/XML/1998/namespace, http://www.w3.org/2000/xmlns/, https://dom.spec.whatwg.org/#concept-document-limited-quirks, http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd

Location: Package overview

From: package-lock.json → npm/vite@8.0.14

ℹ Read more on: This package | This alert | What are URL strings?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Review all remote URLs to ensure they are intentional, pointing to trusted sources, and not being used for data exfiltration or loading untrusted code at runtime.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/vite@8.0.14. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.