CVE-2026-10726 Cato Windows SDP Client arbitrary file disclosure due to improper TLS certificate validation
A low-privileged local user can exploit improper path validation and missing TLS checks to disclose arbitrary local files via the Windows service.
- 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-2026-10726?
CVE-2026-10726 is a medium-severity path traversal vulnerability in Cato Networks SDP Client, published on 30 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cato Windows SDP Client before version 6.12.6 contains an arbitrary file disclosure vulnerability. A low-privileged local user can cause the Windows service, running as Local System, to read and disclose arbitrary local files due to improper file path validation and missing TLS certificate enforcement.
Which versions are affected by CVE-2026-10726?
How do I fix CVE-2026-10726?
No fix has been published for CVE-2026-10726 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-2026-10726 being exploited?
There is no known exploitation of CVE-2026-10726 in the wild and no public exploit code.
Sources
Also known as GHSA-35v6-rgcf-cgp4.