CVE-2026-33950

CRITICAL 9.4

signalk-server: Privilege Escalation by Admin Role Injection via /enableSecurity

CVSS Score

9.4

EPSS Score

0.0%

EPSS Percentile

15th

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0-beta.4, there is a privilege escalation vulnerability by Admin Role Injection via /enableSecurity. An unauthenticated attacker can gain full Administrator access to the SignalK server at any time, allowing them to modify sensitive vessel routing data, alter server configurations, and access restricted endpoints. This issue has been patched in version 2.24.0-beta.4.

CWE	CWE-285 CWE-288 CWE-862
Vendor	signalk
Product	signalk-server
Published	Apr 2, 2026
Last Updated	Apr 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Affected Versions

SignalK / signalk-server

< 2.24.0-beta.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/SignalK/signalk-server/security/advisories/GHSA-x8hc-fqv3-7gwf github.com: https://github.com/SignalK/signalk-server/releases/tag/v2.24.0-beta.4