Malware in leo-connector-elasticsearch
Malware was discovered in the npm package leo-connector-elasticsearch. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with leo-connector-elasticsearch installed or running
- Ecosystems
- Attack vectors
- Affected entities
- leo-connector-elasticsearch
The npm package leo-connector-elasticsearch was found to contain malware. GitHub Security Advisory GHSA-p5fw-hxvx-jq85 documents the incident.\n\nAny computer with this package installed or running should be considered fully compromised. The malware may grant outside entities full control of affected systems. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected computer.\n\nWhile the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise. Additional security measures and system hardening may be necessary.
Indicators of compromise
- Packages
- leo-connector-elasticsearch
Remediation
- Immediately remove leo-connector-elasticsearch from all systems
- Rotate all secrets, keys, and credentials stored on affected computers from a different, unaffected computer
- 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 network traffic for signs of unauthorized access or data exfiltration
- Notify relevant stakeholders and security teams of the compromise
Sources
- GitHub Advisory GHSA-p5fw-hxvx-jq85 · GitHub Advisory Database
Cite this entry
"Malware in leo-connector-elasticsearch." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 25, 2026; last updated June 29, 2026. https://supplychainattack.org/incident/malware-in-leo-connector-elasticsearch-b8dw8f
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