CVE-2026-84860 ScadaLTS - Authorization Bypass

ScadaLTS 2.8.1-release-candidate build 0 contains an authorization bypass caused by disabled DWR origin validation and method dispatch based on POST body parameters, letting authenticated users invoke any DWR method, exploit requires authenticated user access.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.48% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authorization Bypass
Impact
Broken Access Control
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-639

Vendor fix

Update to the latest version with fixed DWR origin validation and access control.

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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