Privilege Escalation Vulnerability in Signal K Server by Signal K
CVE-2026-33950

9.4CRITICAL

Key Information:

Vendor

Signalk

Status
Signalk-server
Vendor
CVE Published:
2 April 2026

What is CVE-2026-33950?

The Signal K Server application, utilized as a central hub in marine vessels, exhibits a vulnerability allowing unauthenticated users to escalate privileges through Admin Role Injection via the /enableSecurity endpoint. This flaw permits attackers to gain full Administrator access, enabling the modification of sensitive vessel routing details, adjustments to server configurations, and access to restricted endpoints. To mitigate this risk, users are advised to upgrade to version 2.24.0-beta.4, which contains the necessary security patch.

Affected Version(s)

signalk-server < 2.24.0-beta.4

References

https://github.com/SignalK/signalk-server/security/adviso...
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https://github.com/SignalK/signalk-server/releases/tag/v2...
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CVSS V3.1

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.