Vulnerability Description
A security vulnerability has been detected in nanocoai NanoClaw up to 2.0.64. This affects an unknown part of the file container/agent-runner/src/mcp-tools/core.ts of the component send_file. Such manipulation leads to path traversal. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/nanocoai/nanoclaw/
- https://github.com/nanocoai/nanoclaw/issues/2760
- https://vuldb.com/cve/CVE-2026-18991
- https://vuldb.com/submit/862563
- https://vuldb.com/vuln/386367
- https://vuldb.com/vuln/386367/cti
FAQ
What is CVE-2026-18991?
CVE-2026-18991 is a vulnerability with a CVSS score of 7.3 (HIGH). A security vulnerability has been detected in nanocoai NanoClaw up to 2.0.64. This affects an unknown part of the file container/agent-runner/src/mcp-tools/core.ts of the component send_file. Such man...
How severe is CVE-2026-18991?
CVE-2026-18991 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-18991?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.