Cato Windows SDP Client arbitrary file disclosure due to improper TLS certificate validation (CVE-2026-10726) | HOL Guard CVE

Medium · CVSS 6.8CVE-2026-10726

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

Answer in brief

CVE-2026-10726 records a Medium severity (CVSS 6.8) vulnerability in Cato Windows SDP Client arbitrary file disclosure due to improper TLS certificate validation. The current sources do not mark it as known exploited. The current feed maps Cato Networks/SDP Client (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 30, 2026Updated Sep 30, 2026Source checked Oct 1, 2026First seen by HOL Sep 30, 2026Material review Sep 30, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.8
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 6.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Cato Networks/SDP Client (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Cato Networks/SDP Clientgeneric	>=0 <6.12.6	6.12.6

Recommended response

Check inventory. Check lockfiles and deployed manifests for Cato Networks/SDP Client.
Review the reported fix. Update Cato Networks/SDP Client to 6.12.6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 30, 2026

Sources and claim methodology

Source referenceknowledge.catonetworks.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.