HOMEVULNERABILITIESCVE-2026-8602
CRITICAL

CVE-2026-8602

CWE-306Published: May 19, 2026· Updated: May 21, 2026

9.1
CVSS v3.1
EPSS:0.07%probability of exploitation in 30 daysPercentile:21.2th

Official 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.

NVD Source

Risk Analysis

This critical vulnerability in ScadaBR 1.2.0 allows an unauthenticated attacker to inject arbitrary sensor readings into the SCADA system. With a CVSS score of 9.1, this flaw poses a high risk to data integrity and system reliability.

No public exploit is currently known for this vulnerability. Its remote exploitability and low attack complexity mean it could be easily abused if an exploit emerges.

Recommended Action

Upgrade ScadaBR to a patched version if available. Implement robust authentication mechanisms for critical functions and restrict network access to the SCADA system.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-8602 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Vendors & Products

scadabr1 product
scadabr
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

News & Research Mentioning CVE-2026-8602

ScadaBR
CISA Alerts· May 19, 2026

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to perform unauthenticated remote code execution. The following versions of ScadaBR are affected: ScadaBR 1.2.0 (CVE-2026-8602, CVE-2026-8603, CVE-2026-8604, CVE-2026-8605) CVSS Vendor Equipment Vulnerabilities v3 9.1 ScadaBR ScadaBR Missing Authentication for Critical Function, Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'), Cross-Site Request Forgery (CSRF), Use of Hard-coded Credentials Background Critical Infrastructure Sectors: Critical Manufacturing, Dams, Chemical, Energy, Water and Wastewater Countries/Areas Deployed: Worldwide Company Headquarters Location: Brazil Vulnerabilities Expand All + CVE-2026-8602 In [xlite_meta score:79 src:CISA Alerts xlite_fp:1d9fabe4f5e8cdab4938dd5825bd7e549e7de4e3d7c6daae635b1e5dba298057]

All References (1)

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

Quick Facts

CVE IDCVE-2026-8602
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-306
CISA KEVNo
EPSS (30d)0.07%
Affected1 vendor
PublishedMay 19, 2026

Related CVEs (CWE-306)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-8602 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.