CVE-2026-10726

Cato Windows SDP Client arbitrary file disclosure due to improper TLS certificate validation

CVE-2026-10726 is fixed in Cato Client on 1 platform by Cato Client 6.12.6.9050 (version 6.12.6.9050), released August 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

6.8

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0006

0th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Cato Client	6.12.6.9050	Cato Client 6.12.6.9050	Aug 16, 2026

Details

Published
September 30, 2026
Weakness
CWE-295: Improper certificate validation
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-10726

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