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Malicious code in chaikit (npm)

0
Unknown
Published: 08/19/2026 (08/19/2026, 01:59:26 UTC)
Source: GCVE Database
Product: chaikit

Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (a4711ba83393e8da11ab4368f9b38dac3de00bc523946cc27e4e47f38a51b9c4) The package's main entry (index.js) unconditionally requires./lib/config, a ~4MB obfuscator.io-style file (RC4 string-array decoder with ~23,902 entries, hex-encoded property names) whose top-level IIFE self-executes on load. Any consumer that imports chaikit runs this opaque code in their process. The advertised middleware in index.js is a trivial next() passthrough, so the obfuscated blob is the only substantive behavior of the package. package.json bundles axios as a runtime dependency, giving the opaque code a network egress channel. The README impersonates the pino logger (pino badges, pinojs/pino links, chai/chai-kit usage snippet), while the package.json description is unrelated boilerplate ('management of vulnerabilities') and file.js references a nonexistent./pino module — cover-story metadata consistent with a package published to be resolved by developers searching for chai or pino tooling. The combination of import-time execution of a large opaque blob, a mismatched cover story, and a bundled HTTP client is the canonical loader shape of an installer-harm supply-chain payload.

Affected software

npmghsa
chaikit
Affected versions
=2.3.5

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-14201
Osv Schema Version
1.7.4
Aliases
[]
Ecosystems
["npm"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a85b4c7acd9273b4925287c

Added to database: 08/19/2026, 13:51:03 UTC

Last updated: 08/19/2026, 13:51:03 UTC

Views: 1

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