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CVE-2026-10726

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

MEDIUM
6.8
CVSS Score
Published: September 30, 2026 at 11:38 AM UTC
Updated: September 30, 2026 at 07:38 PM UTC
1 product affected across 1 vendorCato Client

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cato Client· Catonetworks
60%
v < 6.12.6
Affected range stops below 6.12.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://knowledge.catonetworks.com/docs/cve-2026-10726-cve-2026-10739-impacts-windows-client-versions-lower-than-6126

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMCato
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-295CWE-73

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