CVE-2026-33950

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

CVSS 9.4 CRITICALEPSS 0.4%CWE-285 CWE-288 CWE-862

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.

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

Affected products

SignalK · signalk-server

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References

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