MalwarePublished 2 Jul 2026Updated 6 Jul 2026

@marketfront/gotoauthpopup (npm) · Malicious Code

Affects @marketfront/gotoauthpopupSource GCVE Database

Malicious package : remove @marketfront/gotoauthpopup and rotate any secrets on hosts that installed it.

Data as of 6 Jul 2026, 23:09 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-6781

What to do

Remove @marketfront/gotoauthpopup 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
npm@marketfront/gotoauthpopup	Affected =7.0.0	Fixed in–

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Description

The @marketfront/gotoauthpopup npm package version 7.0.0 is part of a malicious campaign involving 25 packages published within a short time frame. It contains a heavily obfuscated postinstall script that executes automatically on npm install, harvesting a wide range of sensitive credential and configuration files from the host system. The stolen data is exfiltrated via encrypted HTTPS POST requests and covert DNS tunneling to a concealed command-and-control server. The package impersonates internal corporate infrastructure to deceive developers and has no legitimate functionality. This campaign shares infrastructure and tactics with a previous malicious npm campaign, indicating a recurring threat actor.

Impact

Installation of this package results in the compromise of sensitive credentials and configuration files from the host system, potentially exposing SSH keys, cloud service credentials, container and Kubernetes access tokens, git credentials, and environment secrets. This can lead to unauthorized access to internal systems, cloud resources, source code repositories, and other sensitive infrastructure. The use of anti-debugging and covert DNS exfiltration techniques increases the difficulty of detection and containment.

Defensive guidance

The package should be considered malicious and untrusted. Users and organizations should audit their dependencies to ensure this package (version 7.0.0) is not installed. Remove any installations of @marketfront/gotoauthpopup@7.0.0 immediately. Investigate any systems where this package was installed for potential credential compromise and rotate affected credentials. Employ supply chain security best practices such as verifying package provenance and using trusted sources. Monitor for similar malicious packages published under the @marketfront scope or related actors.

Summary

The @marketfront/gotoauthpopup package (version 7.0.0) includes a postinstall hook executing a large obfuscated JavaScript payload that harvests sensitive credential files such as SSH keys, AWS credentials, Kubernetes configs, Docker configs, npm and git credentials, environment files, and shell histories. It collects host system identity and environment details, encrypts the data with RC4, and exfiltrates it via HTTPS POST requests to a dynamically assembled C2 endpoint. Additionally, it uses DNS queries to tunnel the encrypted data covertly, bypassing network egress filtering. The package mimics internal corporate repositories and documentation to appear legitimate but contains no usable library code. This campaign is linked to a prior malicious npm campaign by the same actor, identified by shared obfuscation, exfiltration methods, and infrastructure patterns.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 6 Jul 2026, 23:09 UTC

Technical details

References

Community reviews