Vulnerability · Published Sep 16, 2026 · Assigned by tenable

CVE-2026-84858Scada-LTS Authenticated Remote Code Execution via Scripting Sandbox Bypass

High 8.8

In plain English

A high-severity code injection in Scada-LTS from Scada-LTS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.8%top 42.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Scada-LTS	Scada-LTS	2.8.1

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://www.tenable.com/security/research/tra-2026-60