What is CVE-2026-8602?

CVE-2026-8602 is a critical-severity vulnerability in Scadabr, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-05-19.

How severe is CVE-2026-8602?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Scadabr

CVE-2026-8602

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.

Vulnerability class: Broken Authentication

EPSS: 0.001 (21.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Scadabr — versions 1.2, 1.2.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, government-resource)

Frequently asked questions

What is CVE-2026-8602?: CVE-2026-8602 is a critical-severity vulnerability in Scadabr, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-05-19.
How severe is CVE-2026-8602?: Critical severity. CVSS v3 base score is 9.1 out of 10.