{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-118690", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-28T17:31:29.498Z", "datePublished": "2026-10-28T21:11:17.919Z", "dateUpdated": "2026-10-28T21:11:17.919Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-28T21:11:17.919Z"}, "datePublic": "2026-09-20T00:00:00.000Z", "title": "Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authentication for Critical Function", "cweId": "CWE-306", "type": "CWE"}]}], "affected": [{"vendor": "SignalK", "product": "signalk-server", "defaultStatus": "unaffected", "packageURL": "pkg:npm/signalk-server", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.33.0"}, {"version": "2.33.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.33.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "references": [{"url": "https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/SignalK/signalk-server", "tags": ["product"]}, {"url": "https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-4w32-qx5g-cpwv)"}, {"url": "https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91", "tags": ["technical-description"]}, {"url": "https://github.com/SignalK/signalk-server/releases/tag/v2.33.0", "tags": ["release-notes"], "name": "signalk-server v2.33.0 Release Notes"}, {"name": "VulnCheck Advisory: Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs"}], "credits": [{"lang": "en", "value": "tkurki", "type": "remediation developer"}, {"lang": "en", "value": "Taqiyuddin Anas", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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