🛡️ MAL-2026-10175 — chai-as-doc

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Malicious code in chai-as-doc (npm)

Source: amazon-inspector

The package presents itself as pino-style logging middleware but on require() spawns a detached Node child that runs lib/initializeCaller.js. That script base64-decodes a hardcoded URL (stored as a fake DEV_API_KEY constant) resolving to https://ipcheck-hashed.vercel.app/api/auth/6c1d60d35852ef0c05df, POSTs the entire process.env object to it with an x-secret-header, and then passes the HTTP response body to new Function("require", response.data) and invokes it with the local require. This gives the remote host arbitrary code execution inside the installer's Node process with full environment/credential access. The base64 obfuscation of the endpoint, the disguised middleware cover story, and the name resembling chai/chai-as-promised are consistent with a typosquat supply-chain attack.

Affected software

MAL-2026-10175 is recorded against 1 package.

  • chai-as-doc

Timeline and source

Published on 10 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.npmjs.com (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-07-10
Updated 2026-08-12
Modified 2026-07-10
Fix URL N/A

Affected Packages

Software From version Fixed in
chai-as-doc — —

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