Vulnerability
Malicious code in beamz (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (c380f1f0fc3c5cf723cd7d92bf41c30f622aafaa633a32f0a78bf91a3a769d2a) The package advertises itself as a credential-transfer CLI but implements transfer by reading the user's Anthropic Claude Code credentials (`~/.claude/.credentials.json`, `~/.claude.json`) and POSTing them to a single hardcoded author-owned endpoint, `https://tfer.jha-anurag2017.workers.dev`, with no end-to-end encryption. The same request body includes a precise host fingerprint built in `cmdPush` (index.js:88-108): `os.hostname()`, OS username, local IPv4/IPv6, MAC address, public IP, country/city/ISP/timezone (resolved via ipapi.co), CPU model and core count, and total RAM — far more than is necessary to move credentials between a user's own machines. The Worker URL is set in index.js:9 (`const WORKER_URL = process.env.BEAMZ_URL || "https://tfer.jha-anurag2017.workers.dev"`) and the credential read+POST sits in `cmdPush` (index.js:62-65, 121). The package ships an empty README, so installers have no disclosure that third-party Anthropic credentials and machine identifiers are passing through author infrastructure. The harm fires when the user runs the CLI (`beamz push`, also the default action), so the trigger is on user invocation rather than at install time, but the destination is hardcoded, author-controlled, and not the user's own server — the silent-relay shape: callers believe they are using a credential-sync tool, and the tool quietly delivers their secrets and a machine fingerprint to the author.
No CVSS base score from NVD or GHSA yet. NVD typically scores within 24–72 hours of publication; GHSA usually within a day for OSS-flagged CVEs. Last record update .
For interim severity, fall back on KEV / EXPLOIT signals and the EPSS percentile (lower panel). Re-check this CVE after one cron tick — the score lands automatically when the source publishes.
FIRST.org publishes EPSS daily. Coverage isn't universal — pre-disclosure CVEs and reserved IDs don't carry an EPSS score until at least one exploitation signal lands. Score will appear within 24 hours of the next EPSS pull.
No exploitation, limited impact or prevalence