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Vulnerability record · CVE-2026-8602 · published 19 May 2026

CVE-2026-8602: Scadabr missing authentication for critical function vulnerability

SScadabr · Scadabr

In ScadaBR version 1.2.0, a Missing Authentication for Critical Function vulnerability could allow an unauthenticated attacker to send a HTTP GET requests to the SCADA system and inject arbitrary sensor readings.

8.8 CVSS 4.0 High EPSS 0.58% · top 54.5% CWE-306 · Missing authentication for critical function
8.8CVSS 4.0 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
23 Jul 2026Last modified by NVD

Description

In ScadaBR version 1.2.0, a Missing Authentication for Critical Function vulnerability could allow an unauthenticated attacker to send a HTTP GET requests to the SCADA system and inject arbitrary sensor readings.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-26-139-03 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-26828OpenPLC ScadaBR unrestricted JSP file upload leads to remote code executionOpenPLC ScadaBR (through 0.9.1 on Linux and 1.12.4 on Windows) fails to restrict uploaded file types, letting an authenticated user upload and execut…KEVEPSS 39%analysed5.4CVE-2021-26829OpenPLC ScadaBR stored XSS via system_settings.shtmOpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored cross-site scripting through system_settings.shtm. Because the inj…KEVEPSS 48%analysed9.9CVE-2026-9645Scadabr os command injection vulnerabilityExposed methods allow authenticated users to create and execute arbitrary JavaScript code on the server. The scripts execute with full access, enabli…EPSS 0.52%8.7CVE-2026-8603Scadabr os command injection vulnerabilityIn ScadaBR version 1.2.0, an OS Command Injection vulnerability could allow an attacker to execute commands as root on the SCADA system.EPSS 2.1%8.6CVE-2026-8604Scadabr cross-site request forgery vulnerabilityIn ScadaBR version 1.2.0, a CSRF vulnerability could allow an attacker to trigger any authenticated action through a victim's session by luring any l…EPSS 0.21%6.1CVE-2026-9646Scadabr vulnerabilityA reflected cross-site scripting issue exists in URL handling.EPSS 0.26%6.1CVE-2019-16344Scadabr cross-site scripting vulnerabilityA cross-site scripting (XSS) vulnerability in the login form (/ScadaBR/login.htm) in ScadaBR 1.0CE allows a remote attacker to inject arbitrary web s…EPSS 1.0%6.1CVE-2019-16321Scadabr cross-site scripting vulnerabilityScadaBR 1.0CE, and 1.1.x through 1.1.0-RC, has XSS via a request for a nonexistent resource, as demonstrated by the dwr/test/ PATH_INFO.EPSS 0.82%

Source: NIST National Vulnerability Database (record CVE-2026-8602), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.