Scada-LTS Authenticated Remote Code Execution via Scripting Sandbox Bypass (CVE-2026-84858) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-84858

Scada-LTS Authenticated Remote Code Execution via Scripting Sandbox Bypass

Answer in brief

CVE-2026-84858 records a Unknown severity vulnerability in Scada-LTS Authenticated Remote Code Execution via Scripting Sandbox Bypass. The current sources do not mark it as known exploited. The current feed maps Scada-LTS/Scada-LTS (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 16, 2026Updated Sep 16, 2026Source checked Sep 16, 2026First seen by HOL Sep 16, 2026Material review Sep 16, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. 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 Scada-LTS/Scada-LTS (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Scada-LTS/Scada-LTSgeneric	2.8.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Scada-LTS/Scada-LTS.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 16, 2026

Sources and claim methodology

Source referencetenable.com

Upstream source description

ScadaLTS 2.8.1-release-candidate build 0 is affected by an Authenticated Remote Code Execution via Scripting Sandbox Bypass The DWR "DataSourceEditDwr" class exposes the "validateScript" method that compiles and executes attacker-supplied JavaScript via the Rhino scripting engine. There are no authorization checks on this method and so it is possible for an attacker with access to a low privilege user to abuse this flaw by leveraging the DWR routing bypass.

Quoted source text, attributed separately from HOL analysis.