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chai-as-testkit has 2 compromised versions.

HighAdvisory sweepnpm

chai-as-testkit has 2 versions on the npm registry flagged in 2 incidents we track. Only the exact versions listed below were named by the source advisories. chai-as-testkit was recorded in a daily advisory sweep. The write-up groups it into a cluster with the evidence available at the time; check the cluster note before treating it as a confirmed compromise.

Check my package-lock.jsonWhat to do
At a glancenpm
2
Compromised versionsDo not install these

If one is in your tree, treat the machine as compromised, not just out of date.

Ecosystem
npm
Worst severity
High
Incidents
2
First flagged
23 Aug 2026
Last flagged
10 Sept 2026
Type
Advisory sweep

Version data comes from the public advisories cited on each incident page.

Affected versions

The exact releases to look for.

Check what you actually have installed with npm ls chai-as-testkit.

  • chai-as-testkit@2.3.5
  • chai-as-testkit@*
The incidents

The 2 incidents that flagged it

HighAdvisory sweep

GitHub Advisory malware sweep, 10 September 2026

Between 2026-09-09 and 2026-09-10 UTC GHSA published ~26 new npm/PyPI malware advisories: a third Baileys WhatsApp scope-hijack wave, a @umschool/platform follow-up that adds a live Kubernetes-secrets + cloud-metadata harvester, a shared "Master Harvester" template hitting Solana wallets via gmgn-trading-kit and soltinel-pro, a coordinated Discord MFA lure trio, plus BigQuery/Databricks PyPI probes and boilerplate takedowns.

Versions named here: *Read the incident →
HighAdvisory sweep

GitHub Advisory malware sweep, 23 August 2026

20 new GHSA CWE-506 advisories in the 24h ending 2026-08-23. Highlights: @syncraft-labs/{core,react,vue} uses Ethereum-blockchain dead-drop C2 (EtherHiding); five N-*-sight-web packages fetch mutable Bitbucket payloads; four pino-impersonators pull from jsonstorage.net; totp-utils drops a Minecraft mod JAR + steals Discord tokens.

Versions named here: 2.3.5Read the incident →
What to do

Installed one of these? Start here.

Treat the machine as compromisedUpgrading is not enough. Packages in these incidents typically execute at install time, so the payload has already run with whatever credentials were in the environment.

  1. Rotate every credential that machine or CI job could reach, such as registry tokens, cloud keys, SSH keys and CI secrets, from a different machine.
  2. Pin to a version not listed above, then reinstall from a clean lockfile.
  3. Clear caches and private mirrors. Artifactory, Nexus, Verdaccio and devpi routinely keep serving a tarball after the public registry has pulled it.
  4. Read the incident write-up. Recommended actions differ per incident, and some have specific indicators of compromise worth searching your logs for.
Same campaign

Other packages in the same incident

If chai-as-testkit is in your tree, these are worth checking too. They were published by the same campaign.

See the full incident →All flagged npm packages →

Version data comes from the public advisories cited on each incident page. We list only versions those advisories name and do not infer additional ones. Think this is wrong or incomplete? Tell us.

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Check every dependency, not just this one.

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