Missing authentication for critical function in ScadaBR
Priority MEDIUM 44CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00448 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8602
- 2026-10-03 Alias added: GHSA-jvgx-g9vj-2c98
References
More Scadabr vulnerabilities
- TI-2021-08453 OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows remote… KEVCVSS 3.1HIGH 8.8
- TI-2021-08454 OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm. KEVCVSS 3.1MEDIUM 5.4
- TI-2026-07560 Cross-Site request forgery (CSRF) in ScadaBR CVSS 4.0HIGH 8.6
- TI-2026-08472 ScadaBR Authenticated Remote Code Execution CVSS 3.1CRITICAL 9.9
- TI-2026-07559 Improper neutralization of special elements used in an OS command ('OS command injection') in ScadaBR CVSS 4.0HIGH 8.7
- TI-2026-07561 Use of Hard-coded Credentials in ScadaBR CVSS 4.0MEDIUM 5.1
Sources
- CVE-2026-8602 · CVE Program
- CVE-2026-8602 · NVD
- FIRST EPSS
- GHSA-jvgx-g9vj-2c98 · GitHub Advisory Database · CC BY 4.0
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