CVE-2026-18991

HIGH 7.3

nanocoai NanoClaw send_file core.ts path traversal

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	nanocoai
Product	nanoclaw
Published	Aug 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

nanocoai / NanoClaw

2.0.0 2.0.1 2.0.2 2.0.3 2.0.4 2.0.5 2.0.6 2.0.7 2.0.8 2.0.9 2.0.10 2.0.11 2.0.12 2.0.13 2.0.14 2.0.15 2.0.16 2.0.17 2.0.18 2.0.19 2.0.20 2.0.21 2.0.22 2.0.23 2.0.24 2.0.25 2.0.26 2.0.27 2.0.28 2.0.29 2.0.30 2.0.31 2.0.32 2.0.33 2.0.34 2.0.35 2.0.36 2.0.37 2.0.38 2.0.39 2.0.40 2.0.41 2.0.42 2.0.43 2.0.44 2.0.45 2.0.46 2.0.47 2.0.48 2.0.49 2.0.50 2.0.51 2.0.52 2.0.53 2.0.54 2.0.55 2.0.56 2.0.57 2.0.58 2.0.59 2.0.60 2.0.61 2.0.62 2.0.63 2.0.64

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/386367 vuldb.com: https://vuldb.com/vuln/386367/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18991 vuldb.com: https://vuldb.com/submit/862563 github.com: https://github.com/nanocoai/nanoclaw/issues/2760 github.com: https://github.com/nanocoai/nanoclaw/

Credits

🔍 JohnChen (VulDB User) VulDB CNA Team