{"id":"CVE-2026-118690","title":"Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs","summary":"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…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-306"],"vendor":"SignalK","product":"signalk-server","affected":["signalk-server < 2.33.0"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-29T15:48:44.982534Z"},"published":"2026-10-28","updated":"2026-10-29","sourceUpdated":"2026-10-29T17:22:34.003Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118690","references":[{"url":"https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107","label":"Patch Commit"},{"url":"https://github.com/SignalK/signalk-server"},{"url":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv","label":"GitHub Security Advisory (GHSA-4w32-qx5g-cpwv)"},{"url":"https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91"},{"url":"https://github.com/SignalK/signalk-server/releases/tag/v2.33.0","label":"signalk-server v2.33.0 Release Notes"},{"url":"https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs","label":"VulnCheck Advisory: Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs"}],"tags":["cve.org"],"epss":0.00688,"epssPercentile":0.52717,"ingestedAt":"2026-11-01T22:02:40.997Z","slug":"CVE-2026-118690","body":"## Overview\n\nSignal 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.\n\n## Affected\n\n- `signalk-server < 2.33.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}