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Malicious package

attio-discovernpm

attio-discover is a confirmed malicious npm package (MAL-2026-11456) that steals credentials and exfiltrates sensitive data (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in attio-discover (npm)

MAL-2026-11456
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall attio-discover

What this malware does

The package's postinstall hook invokes lib/report.js, which harvests the developer's email (queried via gh api user/emails, git config, npm config, and GIT_AUTHOR_EMAIL/EMAIL environment variables), together with the OS username, hostname, and package version, and POSTs the JSON payload over HTTPS to a hardcoded author-controlled Zapier webhook at https://hooks.zapier.com/hooks/catch/28124699/42vdpup/. The package's advertised name (attio-discover) suggests an integration with the Attio product, while the actual behavior is identity collection routed to an unrelated third-party webhook endpoint. A consent gate is present (interactive TTY prompt / stored-consent file), but the collection and exfiltration primitives — child_process execSync of gh, filesystem reads of git/npm config, os.userInfo/os.hostname, and https.request to the hardcoded webhook — are shipped and reachable at install time.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

5820492d27701cd3054e65446532aa6542f431b1340d40e5b0332bf588dd67b8
5db27d7cbc4d04670f5b2d1e199294b46fd92375598b362f501010c0cc1eddf9

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for attio-discover (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging attio-discover across your stack and pipelines.

  2. If you installed it — respond

    attio-discover 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 attio-discover was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks attio-discover before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. attio-discover on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-h74v-846x-863cIN-MAL-2026-012888

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks attio-discover-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

attio-discover (npm) malicious package — MAL-2026-11456 | O3 Security