CVE-2026-56692

MediumCVSS 5.5/10Last modified Sep 17, 2026

Description

NanoClaw before 2.1.17 contains a symlink following vulnerability in forwardAttachedFiles that allows container-controlled agents to exfiltrate host-readable files. The host validates attachment filenames using only isSafeAttachmentName before copying with fs.copyFileSync, which follows symlinks without containment checks, allowing malicious agents to disclose arbitrary host files.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-59

Affected software

No affected versions have been published.

Timeline

Published: Jun 23, 2026
Last modified: Sep 17, 2026
NVD status: Deferred

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