CVE-2026-18991CWE-22path-traversal

CVE-2026-18991

High · published August 6, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
48.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00615 · 48.8th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-08-06T07:16Z
References (6)
https://github.com/nanocoai/nanoclaw/ · [email protected]https://github.com/nanocoai/nanoclaw/issues/2760 · [email protected]https://vuldb.com/cve/CVE-2026-18991 · [email protected]https://vuldb.com/submit/862563 · [email protected]https://vuldb.com/vuln/386367 · [email protected]https://vuldb.com/vuln/386367/cti · [email protected]
EPSS history
Timeline
  • 06 AUG 02:30Z
    nanocoai NanoClaw send_file core.ts path traversal
    cvelistv5