CVE-2026-128046

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-128046", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-12T20:45:47.416Z", "datePublished": "2026-11-13T09:33:54.254Z", "dateUpdated": "2026-11-13T09:33:54.254Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:33:54.254Z"}, "datePublic": "2026-10-26T00:00:00.000Z", "title": "OpenMage magento-lts 20.17.0 before 20.18.2 Unrestricted File Upload RCE via Custom Options", "descriptions": [{"lang": "en", "value": "OpenMage magento-lts 20.17.0 before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains an unrestricted file upload vulnerability because the general/file/protected_extensions blocklist omits phar, php8, and phps. Unauthenticated attackers can upload a .phar file through a product File custom option to a predictable media/custom_options path and request it directly to execute code on servers that map .phar to PHP and serve that directory."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incomplete List of Disallowed Inputs", "cweId": "CWE-184", "type": "CWE"}]}], "affected": [{"vendor": "OpenMage", "product": "magento-lts", "defaultStatus": "unaffected", "versions": [{"version": "20.17.0", "status": "affected", "versionType": "semver", "lessThan": "20.18.2"}, {"version": "20.18.2", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "OpenMage", "product": "magento-lts", "defaultStatus": "unaffected", "versions": [{"version": "21.0.0-beta1", "status": "affected", "versionType": "semver", "lessThan": "21.0.0-beta3"}, {"version": "21.0.0-beta3", "status": "unaffected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/OpenMage/magento-lts/security/advisories/GHSA-4fxg-469f-r6fc", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-4fxg-469f-r6fc)"}, {"url": "https://github.com/OpenMage/magento-lts/commit/ba76b2346fe1e380f39c23e68ccb818d7324d24f", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/OpenMage/magento-lts/commit/5b6f985785245a964aa3dc78609f6af44d9d5e27", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/OpenMage/magento-lts/commit/dd692b825ba50f196bcc20ae67fbed48dd95da56", "tags": ["patch"], "name": "Patch Commit"}, {"name": "VulnCheck Advisory: OpenMage magento-lts 20.17.0 before 20.18.2 Unrestricted File Upload RCE via Custom Options", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openmage-magento-lts-20.17.0-before-20.18.2-unrestricted-file-upload-rce-via-custom-options"}], "credits": [{"lang": "en", "value": "arpitjain099", "type": "reporter"}, {"lang": "en", "value": "4n86rakam1", "type": "finder"}, {"lang": "en", "value": "colinmollenhour", "type": "remediation developer"}, {"lang": "en", "value": "Hanmac", "type": "remediation reviewer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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