{"id":"CVE-2026-35038","state":"PUBLISHED","title":"signalk-server: Arbitrary Prototype Read via `from` Field Bypass","description":"Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0, there is an arbitrary prototype read vulnerability via `from` field bypass. This vulnerability allows a low-privileged authenticated user to bypass prototype boundary filtering to extract internal functions and properties from the global prototype object this violates data isolation and lets a user read more than they should. This issue has been patched in version 2.24.0.","publishedAt":"2026-04-02T16:20:17.750Z","updatedAt":"2026-04-02T18:46:36.895Z","severity":{"score":2.1,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","source":"GitHub_M"},"assigner":"GitHub_M","products":["SignalK signalk-server"],"affected":[{"vendor":"SignalK","product":"signalk-server","versions":[{"version":"< 2.24.0","status":"affected"}]}],"references":["https://github.com/SignalK/signalk-server/security/advisories/GHSA-qh3j-mrg8-f234","https://github.com/SignalK/signalk-server/releases/tag/v2.24.0"],"weaknesses":["CWE-20","CWE-125","CWE-200"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/35xxx/CVE-2026-35038.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-35038","state":"PUBLISHED","datePublished":"2026-04-02T16:20:17.750Z","dateUpdated":"2026-04-02T18:46:36.895Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-31T21:06:06.428Z"},"containers":{"cna":{"title":"signalk-server: Arbitrary Prototype Read via `from` Field Bypass","descriptions":[{"lang":"en","value":"Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0, there is an arbitrary prototype read vulnerability via `from` field bypass. This vulnerability allows a low-privileged authenticated user to bypass prototype boundary filtering to extract internal functions and properties from the global prototype object this violates data isolation and lets a user read more than they should. This issue has been patched in version 2.24.0."}],"affected":[{"vendor":"SignalK","product":"signalk-server","versions":[{"version":"< 2.24.0","status":"affected"}]}],"references":[{"url":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-qh3j-mrg8-f234","name":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-qh3j-mrg8-f234","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/SignalK/signalk-server/releases/tag/v2.24.0","name":"https://github.com/SignalK/signalk-server/releases/tag/v2.24.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2.1,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-02T16:20:17.750Z"},"source":{"advisory":"GHSA-qh3j-mrg8-f234","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-02T18:46:22.506545Z","id":"CVE-2026-35038","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-02T18:46:36.895Z"}}]}}}