Malware in @kl-dolphin/swim
Malware was discovered in the npm package @kl-dolphin/swim, resulting in full system compromise of any computer with the package installed or running. The advisory recommends immediate removal of the package and rotation of all secrets and keys from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @kl-dolphin/swim
A malware incident was identified in the npm package @kl-dolphin/swim, published as GitHub Advisory GHSA-rr7c-77w4-j8c8 on June 24, 2026.\n\nAccording to the advisory, any computer with this package installed or running should be considered fully compromised. The malware grants outside entities full control of affected systems.\n\nImmediate remediation steps include removing the package and rotating all secrets and keys from a different, unaffected computer. However, the advisory notes that removal of the package may not eliminate all malicious software that resulted from the installation, given the level of system compromise.\n\nUsers should assume complete loss of confidentiality and integrity on any system where this package was present.
Indicators of compromise
- Packages
- @kl-dolphin/swim
Remediation
- Remove the @kl-dolphin/swim package immediately from all systems
- Rotate all secrets, keys, and credentials from a different, unaffected computer
- Assume full system compromise and conduct forensic analysis
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider rebuilding affected systems from clean media if possible
Sources
- GitHub Advisory GHSA-rr7c-77w4-j8c8 · GitHub Advisory Database
Cite this entry
"Malware in @kl-dolphin/swim." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 24, 2026; last updated June 24, 2026. https://supplychainattack.org/incident/malware-in-kl-dolphin-swim-1eddrh
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