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Malicious package

frontend-backofficenpm

Advisory published Updated

frontend-backoffice is a confirmed malicious npm package (MAL-2026-2525) that steals credentials and exfiltrates sensitive data. Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in frontend-backoffice (npm)

MAL-2026-2525
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall frontend-backoffice

What this malware does

Malicious package due to arbitrary command execution, data exfiltration to Telegram, and a suspicious preinstall script executing code on installation.

The package frontend-backoffice was found to contain malicious code.

Malicious versions

all versions

Every published version of this package is considered malicious — remove it entirely.

Indicators of compromise (SHA-256)

2f06949fafe41d4b38a42b1c5573750638b411c02b6edcb1958f3f5aad933d18

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for frontend-backoffice (all published versions).

  2. If you installed it — respond

    frontend-backoffice 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 frontend-backoffice 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. frontend-backoffice on npm has been identified as a malicious package (all published versions flagged). It should be removed immediately — do not install or keep it in your dependency tree.

References

Credits

  • Amazon Inspector · finder
  • SafeDep · finder

Detect & block this

O3 blocks frontend-backoffice-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

frontend-backoffice (npm) malicious package — MAL-2026-2525 | O3 Security