Malware in @gocortexio/npmgremlinbox-arphic-1999
Malware was distributed via the npm package @gocortexio/npmgremlinbox-arphic-1999. Installation grants full system compromise to an outside entity. All secrets and keys on affected systems must be rotated immediately.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-arphic-1999
A malicious npm package, @gocortexio/npmgremlinbox-arphic-1999, was published and distributed to users. Any system with this package installed or running should be considered fully compromised.
The malware grants complete control of the affected computer to an outside entity. Users are advised to rotate all secrets and keys stored on compromised systems immediately from a different, unaffected computer.
While the package should be removed, full system compromise means there is no guarantee that removal will eliminate all malicious software installed as a result of the package. A complete security review and potential system rebuild may be necessary.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-arphic-1999
Remediation
- Immediately remove the @gocortexio/npmgremlinbox-arphic-1999 package from all systems
- Rotate all secrets, API keys, credentials, and authentication tokens from a different, unaffected computer
- Assume full system compromise and conduct a thorough security audit
- Consider complete system rebuild or forensic analysis to ensure all malicious software is removed
- Review access logs and audit trails for any unauthorized activity during the period the package was installed
- Notify any services or systems that may have been accessed from the compromised computer
Sources
- GitHub Advisory GHSA-295j-j4gp-423v · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-arphic-1999." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-arphic-1999-13v7ea
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- resolvedcritical
Malicious code in sme-rko-finance-front-operations-feed-models (npm)
The npm package sme-rko-finance-front-operations-feed-models contained malicious code that downloads and executes attacker-controlled native binaries from remote servers upon package load. The malware uses obfuscation techniques including fragmented string arrays, platform-specific endpoints, and DNS TXT record fallbacks to evade detection.
npmCompromised package - resolvedcritical
Malicious code in modern-localization (npm)
The npm package modern-localization contained malicious code that fetches and executes arbitrary JavaScript from a remote jsonbin.io endpoint on server-side require, with no integrity verification. The payload is executed with full Node.js privileges via Function() or child_process.fork().
npmCompromised package - resolvedcritical
Malicious code in sme-rko-finance-front-operations-tax (npm)
The npm package sme-rko-finance-front-operations-tax contained malicious code that downloads and executes platform-specific binaries from attacker-controlled infrastructure on require. The package was identified and reported by OpenSSF's malicious-packages project.
npmCompromised package - resolvedcritical
Malicious code in localization-fixer (npm)
The npm package localization-fixer contained malicious code that fetches and executes arbitrary JavaScript from attacker-controlled jsonbin.io endpoints on package require, granting full Node.js capabilities to remote payloads.
npmCompromised package