xo-typescript (npm) · Malicious Code
Affects xo-typescriptSource GCVE Database
Malicious package : remove xo-typescript and rotate any secrets on hosts that installed it.
Data as of 29 Oct 2026, 23:01 UTC
Malicious package
Published to npm · OSV MAL-2025-39911
What to do
Remove xo-typescript from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| npmxo-typescript | Affected
| Fixed in– |
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Description
The npm package xo-typescript version 1.0.0 contains malicious code that installs a dependency from a custom domain. This dependency acts as an info stealer during installation, targeting sensitive tokens related to npm, git, and CI/CD environments.