Malware in nottuff26
The npm package nottuff26 contained malware that grants full system compromise to attackers. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- nottuff26
The npm package nottuff26 was found to contain malware. According to the GitHub Advisory (GHSA-gqpp-9m3q-r5pr), any computer that has this package installed or running should be considered fully compromised.
The advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised system. While the package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the initial compromise, given that the attacker may have gained full control of the system.
Affected users should treat their systems as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- nottuff26
Remediation
- Immediately isolate any computer that has nottuff26 installed or running from the network
- Rotate all secrets, API keys, credentials, and cryptographic keys from a different, uncompromised computer
- Remove the nottuff26 package from the system
- Perform a full security audit and malware scan of affected systems
- Consider rebuilding affected systems from clean media if full compromise is suspected
- Review system logs and access logs for signs of unauthorized activity during the period the package was installed
Sources
- GitHub Advisory GHSA-gqpp-9m3q-r5pr · GitHub Advisory Database
Cite this entry
"Malware in nottuff26." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 13, 2026; last updated July 13, 2026. https://supplychainattack.org/incident/malware-in-nottuff26-1iuamg
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