Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs (SignalK signalk-server)

CVE-2026-118690

CRITICAL 9.3

En bref

Source: NVD
EPSS: EPSS 0.69 % · centile 53 (2026-10-31)
État: PUBLISHED
Publiée: 2026-10-28 21:11 UTC
Mise à jour: 2026-10-29 17:22 UTC
Attribuée par: VulnCheck
Statut NVD: Deferred

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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.

Faiblesses (CWE)

CWE-306 — Authentification absente sur une fonction critique

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	CRITICAL 9.3	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	VulnCheck
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	VulnCheck
CVSS 4.0	CRITICAL 9.3	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · disclosure@vulncheck.com (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · disclosure@vulncheck.com (Secondary)

Références européennes

ENISA EUVD · EUVD-2026-112491
GCVE · GCVE-0-2026-118690

Produits affectés

Produit	Versions
SignalK · signalk-server	affected 0 < 2.33.0 ; unaffected 2.33.0

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

💣 Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs (SignalK signalk-server)