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1496 severe, 6 weeks · 326 projects

TenableCVE-2026-19656

Tenable ScadaLTS: code execution

Tenable

CVE-2026-19656 · Published Aug 12, 2026 · updated Aug 25, 2026

Critical9.9
No fix yet
Tenable advisory

ScadaLTS 2.7.8.1 exposes a server-side method that lacks authorization checks, allowing any authenticated user (including one holding only low-privilege, read-only permissions) to execute arbitrary operating system commands on the host. Successful exploitation results in code execution in the context of the ScadaLTS server process (root), leading to full compromise of the underlying system.

Affected versions

PackageAffectedFixed in
ScadaLTS
Product
<= 2.7.8.1No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-862

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