GHSA-qj3p-xc97-xw74

GHSA-qj3p-xc97-xw74 · MetaMask SDK indirectly exposed via malicious [email protected] dependency

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### Who is affected? This advisory only applies to developers who use MetaMask SDK in the browser and who, on Sept 8th 2025 between 13:00–15:30 UTC, performed one of the following actions and then deployed their application: - Installed MetaMask SDK into a project with a lockfile for the first time - Installed MetaMask SDK in a project without a lockfile - Updated a lockfile to pull in `[email protected]` (e.g., via `npm update` or `yarn upgrade`) ### What happened? On Sept 8th, 2025 (13:00–15:30 UTC), a malicious version of the `debug` package (v4.4.2) was published to npm. The injected code attempts to interfere with dApp-to-wallet communication when executed in a browser context. While MetaMask SDK itself was not directly impacted, projects installing the SDK during this window may have inadvertently pulled in the malicious version of `debug`. ### Mitigation - If your application was rebuilt and redeployed after Sept 8th, 2025, 15:30 UTC, the malicious version of debug should no longer be present. Please also verify that your package manager (npm, yarn, pnpm, etc.) is not caching `[email protected]`. - If you have not yet deployed since performing one of the actions above, delete your `node_modules` and reinstall dependencies before deploying. - If your application was deployed during the attack window and has not been rebuilt since, perform a clean install of dependencies and redeploy to ensure the malicious package is removed. ### Resources [GitHub Advisory for debug](https://github.com/advisories/GHSA-8mgj-vmr8-frr6)

Correctif disponible

Publication

2025-09-15T13:55:56Z

Mise à jour

2025-09-15T13:55:56Z

Pile logicielle: node

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