CVE-2026-18991
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nanocoai | NanoClaw | 2.0.0 | affected |
| nanocoai | NanoClaw | 2.0.1 | affected |
| nanocoai | NanoClaw | 2.0.2 | affected |
| nanocoai | NanoClaw | 2.0.3 | affected |
| nanocoai | NanoClaw | 2.0.4 | affected |
| nanocoai | NanoClaw | 2.0.5 | affected |
| nanocoai | NanoClaw | 2.0.6 | affected |
| nanocoai | NanoClaw | 2.0.7 | affected |
| nanocoai | NanoClaw | 2.0.8 | affected |
| nanocoai | NanoClaw | 2.0.9 | affected |
| nanocoai | NanoClaw | 2.0.10 | affected |
| nanocoai | NanoClaw | 2.0.11 | affected |
| nanocoai | NanoClaw | 2.0.12 | affected |
| nanocoai | NanoClaw | 2.0.13 | affected |
| nanocoai | NanoClaw | 2.0.14 | affected |
| nanocoai | NanoClaw | 2.0.15 | affected |
| nanocoai | NanoClaw | 2.0.16 | affected |
| nanocoai | NanoClaw | 2.0.17 | affected |
| nanocoai | NanoClaw | 2.0.18 | affected |
| nanocoai | NanoClaw | 2.0.19 | affected |
| nanocoai | NanoClaw | 2.0.20 | affected |
| nanocoai | NanoClaw | 2.0.21 | affected |
| nanocoai | NanoClaw | 2.0.22 | affected |
| nanocoai | NanoClaw | 2.0.23 | affected |
| nanocoai | NanoClaw | 2.0.24 | affected |
| nanocoai | NanoClaw | 2.0.25 | affected |
| nanocoai | NanoClaw | 2.0.26 | affected |
| nanocoai | NanoClaw | 2.0.27 | affected |
| nanocoai | NanoClaw | 2.0.28 | affected |
| nanocoai | NanoClaw | 2.0.29 | affected |
| nanocoai | NanoClaw | 2.0.30 | affected |
| nanocoai | NanoClaw | 2.0.31 | affected |
| nanocoai | NanoClaw | 2.0.32 | affected |
| nanocoai | NanoClaw | 2.0.33 | affected |
| nanocoai | NanoClaw | 2.0.34 | affected |
| nanocoai | NanoClaw | 2.0.35 | affected |
| nanocoai | NanoClaw | 2.0.36 | affected |
| nanocoai | NanoClaw | 2.0.37 | affected |
| nanocoai | NanoClaw | 2.0.38 | affected |
| nanocoai | NanoClaw | 2.0.39 | affected |
| nanocoai | NanoClaw | 2.0.40 | affected |
| nanocoai | NanoClaw | 2.0.41 | affected |
| nanocoai | NanoClaw | 2.0.42 | affected |
| nanocoai | NanoClaw | 2.0.43 | affected |
| nanocoai | NanoClaw | 2.0.44 | affected |
| nanocoai | NanoClaw | 2.0.45 | affected |
| nanocoai | NanoClaw | 2.0.46 | affected |
| nanocoai | NanoClaw | 2.0.47 | affected |
| nanocoai | NanoClaw | 2.0.48 | affected |
| nanocoai | NanoClaw | 2.0.49 | affected |
| nanocoai | NanoClaw | 2.0.50 | affected |
| nanocoai | NanoClaw | 2.0.51 | affected |
| nanocoai | NanoClaw | 2.0.52 | affected |
| nanocoai | NanoClaw | 2.0.53 | affected |
| nanocoai | NanoClaw | 2.0.54 | affected |
| nanocoai | NanoClaw | 2.0.55 | affected |
| nanocoai | NanoClaw | 2.0.56 | affected |
| nanocoai | NanoClaw | 2.0.57 | affected |
| nanocoai | NanoClaw | 2.0.58 | affected |
| nanocoai | NanoClaw | 2.0.59 | affected |
| nanocoai | NanoClaw | 2.0.60 | affected |
| nanocoai | NanoClaw | 2.0.61 | affected |
| nanocoai | NanoClaw | 2.0.62 | affected |
| nanocoai | NanoClaw | 2.0.63 | affected |
| nanocoai | NanoClaw | 2.0.64 | affected |
Weaknesses
- CWE-22: Path Traversal
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://vuldb.com/vuln/386367
- https://vuldb.com/vuln/386367/cti
- https://vuldb.com/cve/CVE-2026-18991
- https://vuldb.com/submit/862563
- https://github.com/nanocoai/nanoclaw/issues/2760
- https://github.com/nanocoai/nanoclaw/
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