> CVE-2026-33950 [CRITICAL]

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PUBLISHED
2026-04-02 17:16
MODIFIED
2026-04-02 17:16
CVSS_SCORE V3
9.4
EPSS (Prob. Exploit)
0.48%
Top 59.6%
DATA SOURCES:
NVD đź”— 2026-04-02 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-10-25 GITHUB đź”— 2026-11-05

> 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

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
EXPLOITABILITY
3.9
IMPACT
5.5

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
Low (L)
Interruption partielle du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
Low
Interruption partielle du service possible

> WEAKNESSES

CWE-285 CWE-288 CWE-862

> CWE DETAILED DESCRIPTIONS

CWE-285: Improper Authorization - The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. | CWE-288: Authentication Bypass Using an Alternate Path or Channel - The product requires authentication, but the product has an alternate path or channel that does not require authentication. | CWE-862: Missing Authorization - The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

> GITHUB SECURITY ADVISORY

GHSA-x8hc-fqv3-7gwf CRITICAL

Signal K Server: Privilege Escalation by Admin Role Injection via /enableSecurity

AFFECTED PACKAGES:
NPM / signalk-server
< 2.24.0-beta.4
Fixed in: 2.24.0-beta.4

> HISTORIQUE DES MODIFICATIONS

Première apparition
02/04/2026 17:16
Source: NVD
đź“Š ENRICHISSEMENT 01/05/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-285: Improper Authorization - The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. | CWE-288: Authenticatio...
Total des modifications: 1 Dernière mise à jour: 6 months ago

> REFERENCES

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