xo-beaver (npm) · Malicious Code
Affects xo-beaverSource GCVE Database
Malicious package : remove xo-beaver 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-2025-39898
What to do
Remove xo-beaver 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-beaver | Affected
| Fixed in– |
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Description
The npm package xo-beaver version 88.8.9 contains malicious code that installs a dependency from a custom domain. This dependency executes an information stealer during installation, targeting npm, git, and other CI/CD related tokens.