Malicious code in @vite-pro/vite-ui (npm)
Exploitation and risk
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osv · MAL-2026-10526
Published--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (9aaf307faea8efb93af6f3c8ee4811304a7d9afa25f1c9525aed108efea439e7) Package `@vite-pro/vite-ui` impersonates the official `vite` package: `package.json` declares author `Evan You`, points `repository` at `github.com/vitejs/vite`, sets `homepage` to `vitejs.dev`, ships the upstream Vite README, and exposes a `bin` named `vite`. Appended to the end of `bin/vite.js`, after the legitimate CLI bootstrap and a large block of trailing whitespace, is an obfuscated IIFE that constructs a string table via a seeded Fisher-Yates shuffle (seed 4606094) to hide endpoints, method names, and constants. The loader then fetches a remote payload over HTTP, XOR-decrypts it with an embedded key, and `eval`s the result. It subsequently fetches a second payload and passes it to `child_process.spawn` with `detached:true`, `stdio:'ignore'`, and `windowsHide:true`, establishing a hidden, long-running process independent of the parent `vite` invocation. The loader runs every time a developer executes `vite`, `npx vite`, or `npm run dev|build`, giving the attacker arbitrary code execution and a persistent background process on the developer machine on each CLI use. The obfuscation technique (seeded string-array shuffle + XOR + eval + detached spawn) matches reported blockchain-C2 loader families. ## Source: ghsa-malware (86e8afdc046433be596684c9c50254fafe49af5b72ce9782db5f5e22d6b8293e) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
- Source published
- 14 Jul 2026 03:33:15 UTC
- Source modified
- 21 Sep 2026 23:30:04 UTC
- Saved here
- 24 Oct 2026 13:17:17 UTC
- Source terms
- OSV · upstream source license applies
Original source record · Cite this exact observation · Complete original publisher JSON
Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.