npm package report

Is cs-core-api-phoenix safe?

Confirmed malicious. Do not install it, and remove it where it has been installed.

Do not install this package

HIGH

Install script appeared/grew vs prior version (cross-signal auto). Added to CyberXYZ 2026-10-19, OSV malicious-package feed (Google / OpenSSF).

// what we observed

package contents+40
novel install_hook finding (sev 9)
package contents+15
novel source finding (sev 9)
tarball scan cap-15
generic tarball findings capped at 40 (raw 55); block needs a named or cross-signal corroborator
install script diff+20
postinstall appeared vs prior version (no network/exec in the script itself — corroborating only)

// versions and what to do

Malicious: 5.1.0

Remove it from every machine and lockfile it reached. Treat any credentials, tokens and SSH keys present on those machines as exposed and rotate them. Check CI runners and container images that installed it.

npm uninstall cs-core-api-phoenix

OSV record

// reach

0 direct dependencies

none carry a known advisory

0 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

Checked 2026-11-07 at 21:01 UTC. Updated continuously from NVD, GHSA, OSV and CNA feeds.