MalwarePublished 13 Jul 2026

type-astr (npm) · Malicious Code

Affects type-astrSource GCVE Database

Malicious package : remove type-astr and rotate any secrets on hosts that installed it.

Data as of 14 Jul 2026, 09:46 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-10510

What to do

Remove type-astr from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

Product	Affected	Fixed in
npmtype-astr	Affected =3.2.3	Fixed in–

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Description

The npm package 'type-astr' version 3.2.3 is a malicious package masquerading as a pino-compatible logger. When required, it launches a detached Node.js child process that fetches attacker-controlled JavaScript code from remote anonymous paste-style hosting services and executes it with full Node.js require access. This results in full compromise of any system running or having installed this package. Immediate removal and secret/key rotation are strongly advised, though full remediation may require rebuilding the affected system due to potential persistent compromise.

Impact

Systems with 'type-astr' version 3.2.3 installed or running are fully compromised, allowing attackers to execute arbitrary code with full Node.js require access. This can lead to theft of secrets, keys, and complete system takeover. Removal of the package alone may not eliminate all malicious artifacts, necessitating secret/key rotation and potentially full system rebuilds to ensure security.

Defensive guidance

The recommended mitigation is to immediately remove 'type-astr' version 3.2.3 from all systems. All secrets and keys stored on compromised systems should be rotated from a separate, trusted environment. Due to the nature of the compromise, consider rebuilding affected systems to ensure complete removal of malicious code. Monitor for any use of this package in your dependency trees and block or audit its installation.

Summary

The 'type-astr' npm package version 3.2.3 pretends to be a pino-compatible logger but actually executes remote attacker-controlled code. Upon requiring the package, it spawns a detached Node.js child process running a script that decodes a base64 URL, fetches JSON data from anonymous paste hosting sites, extracts a 'cookie' field, and executes it as JavaScript code with full require privileges. This allows arbitrary code execution within the Node.js environment, effectively giving an attacker full control over the compromised system. The remote code can be changed at any time by the attacker, making the threat persistent and dynamic.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 14 Jul 2026, 09:46 UTC

Technical details

References

Community reviews