{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44837","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-07T21:21:48.352Z","datePublished":"2026-05-26T19:40:47.661Z","dateUpdated":"2026-05-28T14:04:27.716Z"},"containers":{"cna":{"title":"view_component: System Test Entry Point Path Check Allows Sibling Directory Escape","problemTypes":[{"descriptions":[{"cweId":"CWE-187","lang":"en","description":"CWE-187: Partial String Comparison","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp"}],"affected":[{"vendor":"ViewComponent","product":"view_component","versions":[{"version":">= 3.0.0, < 4.9.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-26T19:40:47.661Z"},"descriptions":[{"lang":"en","value":"view_component is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 3.0.0 to 4.9.0, the system test entrypoint canonicalizes a user-controlled file path with File.realpath, then checks whether the resolved path starts with the temp directory path. This is not a safe containment check because sibling directories can share the same string prefix. This vulnerability is fixed in 4.9.0."}],"source":{"advisory":"GHSA-hg3h-g7xc-f7vp","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-28T14:03:17.325766Z","id":"CVE-2026-44837","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-28T14:04:27.716Z"}}]}}