{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-44837", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-28T14:03:17.325766Z"}}}], "references": [{"url": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T14:04:14.303Z"}}], "cna": {"title": "view_component: System Test Entry Point Path Check Allows Sibling Directory Escape", "source": {"advisory": "GHSA-hg3h-g7xc-f7vp", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "ViewComponent", "product": "view_component", "versions": [{"status": "affected", "version": ">= 3.0.0, < 4.9.0"}]}], "references": [{"url": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp", "name": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp", "tags": ["x_refsource_CONFIRM"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-187", "description": "CWE-187: Partial String Comparison"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-26T19:40:47.661Z"}}}, "cveMetadata": {"cveId": "CVE-2026-44837", "state": "PUBLISHED", "dateUpdated": "2026-05-28T14:04:27.716Z", "dateReserved": "2026-05-07T21:21:48.352Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-05-26T19:40:47.661Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "view_component", "vendor": "ViewComponent", "versions": [{"status": "affected", "version": ">= 3.0.0, < 4.9.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:viewcomponent:view_component:*:*:*:*:*:ruby:*:*", "matchCriteriaId": "E57ADC3B-788F-4E63-9524-8014ECEE31B6", "versionEndExcluding": "4.9.0", "versionStartIncluding": "3.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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": "2026-06-17T10:51:24.740", "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"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44837", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-28T14:03:17.325766Z", "version": "2.0.3"}}]}, "published": "2026-05-26T21:16:38.853", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-187"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"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"]}