CVE-2026-49342

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{"affected": [{"affectedData": [{"product": "yard", "vendor": "lsegal", "versions": [{"status": "affected", "version": "< 0.9.44"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "YARD is a documentation generation tool for the Ruby programming language. Prior to version 0.9.44, YARD's static cache lookup reads a request path before the router's path cleanup runs. When a server is configured with a document root, a traversal path such as `/../yard-cache-secret.html` is joined against that root and can return a readable sibling `.html` file outside the intended static tree. Version 0.9.44 patches the issue."}, {"lang": "es", "value": "YARD es una herramienta de generaci\u00f3n de documentaci\u00f3n para el lenguaje de programaci\u00f3n Ruby. Antes de la versi\u00f3n 0.9.44, la b\u00fasqueda de cach\u00e9 est\u00e1tica de YARD lee una ruta de solicitud antes de que se ejecute la limpieza de rutas del router. Cuando un servidor est\u00e1 configurado con una ra\u00edz de documento, una ruta de recorrido como /.. / yard-cache-secret.html se une a esa ra\u00edz y puede devolver un archivo .html hermano legible fuera del \u00e1rbol est\u00e1tico previsto. La versi\u00f3n 0.9.44 corrige el problema."}], "id": "CVE-2026-49342", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49342", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-22T17:13:12.964584Z", "version": "2.0.3"}}]}, "published": "2026-06-19T20:16:18.377", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/lsegal/yard/commit/f78c19f0dd33a407085b4ed181bb60c0aa0078b4"}, {"source": "security-advisories@github.com", "url": "https://github.com/lsegal/yard/security/advisories/GHSA-pxcc-8665-phx8"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/lsegal/yard/security/advisories/GHSA-pxcc-8665-phx8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "yard: YARD: Information disclosure via path traversal in static cache lookup", "id": "2490894", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2490894"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["YARD is a documentation generation tool for the Ruby programming language. Prior to version 0.9.44, YARD's static cache lookup reads a request path before the router's path cleanup runs. When a server is configured with a document root, a traversal path such as `/../yard-cache-secret.html` is joined against that root and can return a readable sibling `.html` file outside the intended static tree. Version 0.9.44 patches the issue.", "A flaw was found in YARD, a documentation generation tool for the Ruby programming language. A remote attacker could exploit a path traversal vulnerability in YARD's static cache lookup. This occurs because the request path is read before the router's path cleanup, allowing a specially crafted request to access and read arbitrary .html files outside the intended static directory when a server is configured with a document root. This could lead to information disclosure."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-49342", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp21/backend", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp21/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp22/backend", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp22/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp2/backend-rhel8", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp2/system-rhel7", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp2/system-rhel8", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp2/system-rhel9", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "nghttp2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-06-19T19:13:59Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-49342\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-49342\nhttps://github.com/lsegal/yard/commit/f78c19f0dd33a407085b4ed181bb60c0aa0078b4\nhttps://github.com/lsegal/yard/security/advisories/GHSA-pxcc-8665-phx8"], "statement": "This Moderate impact path traversal vulnerability in YARD does not affect Red Hat products as the vulnerable code is not present.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.9.44)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "yard", "source": "cna", "vendor": "lsegal"}, "product": "yard", "vendor": "lsegal"}], "created": "2026-06-19T22:00:07.292272+00:00", "updated": "2026-06-19T22:15:03.319285+00:00", "vendors": ["lsegal", "lsegal$PRODUCT$yard"]}