CVE-2026-56692 NanoClaw < 2.1.17 - Arbitrary File Read via Symlink Following in forwardAttachedFiles
Malicious agents can exfiltrate arbitrary host files by exploiting symlink following in file attachment handling, requiring an upgrade to NanoClaw.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56692?
CVE-2026-56692 is a medium-severity path traversal vulnerability in nanocoai nanoclaw, published on 23 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-59
Which versions are affected by CVE-2026-56692?
How do I fix CVE-2026-56692?
No fix has been published for CVE-2026-56692 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-56692 being exploited?
There is no known exploitation of CVE-2026-56692 in the wild and no public exploit code.
Sources
Also known as GHSA-6373-p7g2-mx2w.