CVE-2026-84858 ScadaLTS - Remote Code Execution

ScadaLTS 2.8.1-release-candidate build 0 contains an authenticated remote code execution caused by scripting sandbox bypass in the DWR DataSourceEditDwr class validateScript method, letting low privilege attackers execute arbitrary JavaScript code remotely, exploit requires attacker to be authenticated with low privileges.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.84% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to the latest version of ScadaLTS.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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