{"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": "2026-05-26T19:40:47.661Z"}, "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-44837", "lastModified": "2026-05-26T21:16:38.853", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-26T21:16:38.853", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-187"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,4.9.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "view_component", "source": "cna", "vendor": "ViewComponent"}, "product": "view_component", "vendor": "viewcomponent"}], "created": "2026-05-26T21:30:16.145632+00:00", "updated": "2026-05-26T22:30:18.413283+00:00", "vendors": ["viewcomponent", "viewcomponent$PRODUCT$view_component"]}