CVE-2026-118690

CVE Enrichment

CVSS: 9.3 CRITICAL
EPSS: 0.69%
EPSS Percentile: 52.72%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 4.0
CNA / NVD Source: [email protected]
Published: 29-Oct-2026 05:17
Last Modified: 30-Oct-2026 01:17
EPSS Date: 2026-10-31
CWE: CWE-306

CVSS 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 /
                            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

References

Last enrichment sync: 01-Nov-2026 02:10
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

CVE-2026-118690 – Signal K Server CYFIRMA’s Fortnightly Exploit Radar Highlights Five Vulnerabilities

CVE (4)

Vendors (1)

Products (5)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.