npm · Malicious package advisory
Malwarebabyyodaa
GHSA-x23x-7rrv-ffw6
Malicious code in babyyodaa (npm)
Details
**Severity:** Critical **Affected versions:** `= 1.1.0` Runs on install. The preinstall script marks a shell script bundled in the package as executable and runs it; the script contains a reverse-shell pattern, giving a remote party a shell on the installing machine. Version examined: 1.1.0; tarball SHA-256 8321ef8b36b40d9a5b5ba649e9ad4ec3bcbe18a9a484075c5e8e5e872ec0db0b. --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/65d7c0b05e1069e74e09136ec74ac3530ebad741/osv/malicious/npm/babyyodaa/MAL-2026-18605.json)) **References:** - https://github.com/ossf/malicious-packages/blob/65d7c0b05e1069e74e09136ec74ac3530ebad741/osv/malicious/npm/babyyodaa/MAL-2026-18605.json - https://github.com/advisories/GHSA-x23x-7rrv-ffw6
Compromised versions (1)
- = 1.1.0
Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.