What’s Vulnerable › Vulnerabilities

CVE-2026-33950: signalk-server: Privilege Escalation by Admin Role Injection via /enableSecurity

• Severity: critical (CVSS 9.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-02 · updated 2026-07-24
• Weakness: CWE-285

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.

Affected products

• signalk-server: before 2.24.0; 2.24.0-beta1, 2.24.0-beta2, 2.24.0-beta3 — fixed in 2.24.0

How to fix

Upgrade to a fixed version: signalk-server 2.24.0. Check the vendor advisory for mitigations.

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

Get alerted when CVE-2026-33950 or the next vulnerability affects your stack