by Kastro
Paper/Archive/CVE-2026-33950

CVE-2026-33950

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

EPSS 0.4%public exploitCVSS 9.4
critical.is priorityof 100
46
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 37.7.377 × 207.5Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
signalk-server< 2.24.0-beta.4–CNA

Scores by source

GitHub_M (CNA)9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refgithub.com/SignalK/signalk-server/security/advisories/GHSA-x8hc-fqv3-7gwfrefgithub.com/SignalK/signalk-server/releases/tag/v2.24.0-beta.4