CVE-2026-118690
Published:October 28, 2026
Updated:October 29, 2026
Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create persistent admin accounts for full server control.
Affected Packages
https://github.com/SignalK/signalk-server.git (GITHUB):
Affected version(s) >=v2.0.0 <v2.33.0Fix Suggestion:
Update to version v2.33.0signalk-server (NPM):
Affected version(s) >=2.0.0-beta.1 <2.33.0Fix Suggestion:
Update to version 2.33.0Related Resources (7)
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Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Functionality