{"id":"CVE-2026-118690","aliases":[],"cve":{"records":[{"id":"CVE-2026-118690","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-28T17:31:29.498Z","published":"2026-10-28T21:11:17.919Z","modified":"2026-10-29T17:22:34.003Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-28T21:11:17.919Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T17:22:34.003Z"}],"references":[{"url":"https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/SignalK/signalk-server","tags":["product"],"source":"VulnCheck"},{"url":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/SignalK/signalk-server/releases/tag/v2.33.0","tags":["release-notes"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-306","description":"Missing Authentication for Critical Function","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*","versionEndExcluding":"2.33.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T15:48:44.982534Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"total"}]}]},"title":"Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs","titleSource":"VulnCheck","descriptionSource":"VulnCheck","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.","score":9.8,"severity":"critical","published":"2026-10-28T21:11:17.919Z","modified":"2026-10-29T17:22:34.003Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"SignalK","name":"signalk-server","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"2.33.0","versionType":"semver"},{"version":"2.33.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/signalk-server","packageIdentity":{"ecosystem":"npm","name":"signalk-server"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-118690"}],"remediation":[],"references":["https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107","https://github.com/SignalK/signalk-server","https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv","https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91","https://github.com/SignalK/signalk-server/releases/tag/v2.33.0","https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs"],"sources":[{"name":"CVE","id":"CVE-2026-118690","modified":"2026-10-29T17:22:34.003Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118690"}],"assessments":[{"source":"VulnCheck","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","score":9.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}],"sourceAffected":[],"observedAt":"2026-10-29T17:51:50.757Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T04:25:30.910Z"},"coverage":[{"source":"NVD","status":"refresh-failed","attemptedAt":"2026-10-29T00:00:31.328Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-29T00:00:31.499Z","attemptedAt":"2026-10-29T00:00:31.499Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T00:00:31.499Z","attemptedAt":"2026-10-29T00:00:31.499Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-29T00:00:33.152Z","attemptedAt":"2026-10-29T00:00:33.152Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-112491","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112491","modified":"Oct 28, 2026, 9:11:17 PM","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","checkedAt":"2026-10-29T00:00:31.499Z"}],"aiSummary":{"text":"Signal K Server before version 2.33.0 has a missing authentication vulnerability, allowing unauthenticated remote attackers to download log archives and potentially gain full server control. The weakness is in the /skServer/ziplogs endpoint. Attackers can extract a secret key from the logs and forge administrator tokens.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:54:35.023Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-118690"}]}}