CVE-2026-33950

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

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

SignalK · signalk-server

CVSS v3.1 GITHUB

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

EPSS

0.48% chance of exploitation in the next 30 days, 40th percentile

Published

2026-04-02

Updated

2026-04-03

Proof-of-concept exploits (1)

• advisories/GHSA-x8hc-fqv3-7gwf

Security advisories

• SignalK/signalk-server/security/advisories/GHSA-x8hc-fqv3-7gwf
• SignalK/signalk-server/releases/tag/v2.24.0-beta.4

References

• CVE Record
• NVD entry