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CVE-2026-33950 - Vulnerability Analysis

CriticalCVSS: 9.4

Last Updated: April 2, 2026

Signal K Server - Privilege Escalation

Published: April 2, 2026Updated: April 2, 2026Remote Exploitable

Overview

Signal K Server < 2.24.0-beta.4 contains a privilege escalation caused by Admin Role Injection via /enableSecurity endpoint, letting unauthenticated attackers gain full administrator access, exploit requires no authentication.

Severity & Score

Severity: Critical

CVSS Score: 9.4

Impact

Unauthenticated attackers can gain full administrator access, modify sensitive data, and alter server configurations.

Mitigation

Update to version 2.24.0-beta.4 or later.

References

https://github.com/SignalK/signalk-server/security/advisories/GHSA-x8hc-fqv3-7gwf
https://github.com/SignalK/signalk-server/releases/tag/v2.24.0-beta.4

Related Resources

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Details

CVE ID: CVE-2026-33950
Severity: Critical
CVSS Score: 9.4
Type: broken_access_control
Status: new

CWE

CWE-285

CVSS Metrics

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