---
title: "CVE-2026-84860: ScadaLTS - Authorization Bypass"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-84860/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-84860)

## 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](https://cwe.mitre.org/data/definitions/639.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-84860](https://nvd.nist.gov/vuln/detail/CVE-2026-84860)
- [https://www.tenable.com/security/research/tra-2026-60](https://www.tenable.com/security/research/tra-2026-60)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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