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Malicious package

@alphaspace/corenpm

@alphaspace/core is a confirmed malicious npm package (MAL-2026-17169) that steals credentials and exfiltrates sensitive data (malicious versions 99.0.0, 99.0.1, 99.0.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @alphaspace/core (npm)

MAL-2026-17169
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @alphaspace/core

What this malware does

preinstall.js runs unconditionally on npm install and POSTs a JSON payload to a hardcoded Pipedream collector at https://f5778d1d81cc30c39dcdd0da5ca1d49a.m.pipedream.net. The payload includes os.hostname(), os.userInfo() username, platform/arch/node version, process.env.INIT_CWD, process.cwd(), the consumer project's package.json name and version, whether the consumer declares an @alphaspace dependency, npm registry hosts parsed from ~/.npmrc, CI-related environment variable names, and proxy host configuration. The same script performs DNS resolution against a hardcoded list of *.yahoo.com and .ouryahoo.com internal hostnames (including istio-system.prod1-gq1.omega.yahoo.com and buildr.corp.yahoo.com), and for any banana.stand..yahoo.com name that resolves it issues an https.request with rejectUnauthorized:false, capturing the response status, Server header, and first 512 bytes of the body and forwarding them in a banana_proof field of the exfil payload. The @alphaspace scope name and an in-file 'authorized security research' banner form a dependency-confusion lure aimed at Yahoo internal builds; the installer-side behavior — host fingerprinting, npmrc/registry disclosure, and TLS-verification-disabled internal-network probing from the installer's host — fires against any machine that resolves this package.

Malicious versions

3 flagged
99.0.099.0.199.0.2

Indicators of compromise (SHA-256)

0ab2a5d4024e6452d72efe9470634b7bf9fc3dbb0bd4d49d571138f777a81864
0c7bcaf9dd8835f994b72bc50cf41ef1194429600fef3d271b99f32305ebd726
42d10ba1427af01794dfb0a6b39a05f969547455e9d86d75f18601b1d035c507

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 @alphaspace/core (3 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @alphaspace/core across your stack and pipelines.

  2. If you installed it — respond

    @alphaspace/core 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 @alphaspace/core 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 @alphaspace/core 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. @alphaspace/core on npm has been identified as a malicious package (versions 99.0.0, 99.0.1, 99.0.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-020551IN-MAL-2026-020550IN-MAL-2026-020543

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @alphaspace/core-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

@alphaspace/core (npm) malicious package — MAL-2026-17169 | O3 Security