Is this vulnerability remotely exploitable beyond the local vessel network?

It can be, depending on how the Signal K Server is exposed. If the HTTP(S) port is reachable from the internet (for example, via port forwarding, remote access services, or a VPN that includes untrusted users), a remote attacker with network access to the server can potentially exploit it. In more isolated deployments limited to an onboard LAN, exploitation is scoped to whoever can join that network.

What level of access does an attacker need to exploit this issue?

The attacker only needs network connectivity to the server's HTTP(S) interface; no prior authentication is required. They do not need an existing account, because the flaw allows them to obtain or inject administrative privileges through the `/enableSecurity` endpoint.

What is the safest general fix pattern for this kind of vulnerability?

The safest pattern is to require strong authentication and explicit authorization for any endpoint that configures security, creates users, or grants roles. Security setup or enabling endpoints should be tightly bound to an authenticated admin session, limited to controlled initialization flows, and disabled or locked down once setup is complete.

Severity:

CRITICAL RISK

(9.4)

Authentication Bypass and Admin Role Injection (CWE-285) in Signal K Server /enableSecurity Endpoint

CVE-2026-33950

Published:

Apr 2, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Broken Access Control / Authentication Bypass

CWE:

CWE-285;CWE-288;CWE-862

Impact:

Privilege Escalation to Administrator / Full Server Compromise

Severity:

CRITICAL RISK

(9.4)

CVSS Version:

3.1

Vulnerability Type

Category:

Broken Access Control / Authentication Bypass

CWE:

CWE-285;CWE-288;CWE-862

Impact:

Privilege Escalation to Administrator / Full Server Compromise

Severity:

CRITICAL RISK

(9.4)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Authentication Bypass and Admin Role Injection (CWE-285) in Signal K Server /enableSecurity Endpoint

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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