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Malicious package

carvus-lensnpm

Advisory published Updated

carvus-lens is a confirmed malicious npm package (MAL-2026-4505) that steals credentials and exfiltrates sensitive data (malicious version 1.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in carvus-lens (npm)

MAL-2026-4505
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall carvus-lens

What this malware does

carvus-lens is a screen-capture/OCR Electron-style tool whose advertised 'Ask AI', 'Translate', and 'Search' features silently route user-selected screen content to two third-party services chosen by the author, not the user. render.js line 4 hardcodes GROQ_API_KEY = "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" and the queryGroq function POSTs OCR'd text to https://api.groq.com/openai/v1/chat/completions with Authorization: Bearer ${GROQ_API_KEY}, so every user's selected screen text flows into Groq under the author's account. render.js line 5 hardcodes IMG_HOST_KEY = "6d207e02198a847aa98d0a2a901485a5" and uploadImage POSTs cropped screenshots to https://freeimage.host/api/1/upload?key=${IMG_HOST_KEY} — screenshots may contain messages, documents, code, or banking content, are stored under the author's freeimage.host account, and are made publicly accessible (the resulting URL is then handed to lens.google.com). README does not disclose either intermediary. Two compounding issues: (1) silent-relay — normal use of the advertised API exfiltrates user screen content to author-chosen destinations the user never selected; (2) credential redistribution — both API keys are extractable from the shipped client code and can be abused by any installer to bill Groq usage against the author or upload arbitrary content to the author's freeimage.host account.

Malicious versions

1 flagged
1.0.1

Indicators of compromise (SHA-256)

968a2b019b04b046715850d25dc90c586ba5b44f2fc6f7340ece0e29aaef3ec0
be2182b552b0a8359f3314078d48310cfcd57738e1934aacf00ac8775a32cfe0

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for carvus-lens (version 1.0.1).

  2. If you installed it — respond

    carvus-lens is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If carvus-lens was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. carvus-lens on npm has been identified as a malicious package (version 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-003363IN-MAL-2026-003362

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks carvus-lens-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

carvus-lens (npm) malicious package — MAL-2026-4505 | O3 Security