Critical severity9.4NVD Advisory· Published Apr 2, 2026· Updated Apr 6, 2026
CVE-2026-33950
CVE-2026-33950
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
signalk-servernpm | < 2.24.0-beta.4 | 2.24.0-beta.4 |
Affected products
5cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*range: <2.24.0
- cpe:2.3:a:signalk:signal_k_server:2.24.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:signalk:signal_k_server:2.24.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:signalk:signal_k_server:2.24.0:beta3:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- github.com/SignalK/signalk-server/security/advisories/GHSA-x8hc-fqv3-7gwfnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-x8hc-fqv3-7gwfghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33950ghsaADVISORY
- github.com/SignalK/signalk-server/releases/tag/v2.24.0-beta.4nvdProductRelease NotesWEB
News mentions
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