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.
History

Thu, 29 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 28 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs
First Time appeared Signalk
Signalk signal K Server
Weaknesses CWE-306
CPEs cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*
Vendors & Products Signalk
Signalk signal K Server
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-28T21:11:17.919Z

Updated: 2026-10-29T17:22:34.003Z

Reserved: 2026-10-28T17:31:29.498Z

Link: CVE-2026-118690

cve-icon Vulnrichment

Updated: 2026-10-29T15:48:55.354Z

cve-icon NVD

Status : Deferred

Published: 2026-10-28T22:17:13.070

Modified: 2026-10-29T18:17:28.300

Link: CVE-2026-118690

cve-icon Redhat

No data.