{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-44666", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-07T16:20:08.659Z", "datePublished": "2026-05-14T20:32:43.490Z", "dateUpdated": "2026-05-15T13:34:48.461Z" }, "containers": { "cna": { "title": "HRConvert2: Missing Sanitization enables Unauthenticated Remote Command Execution", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "LOW", "baseScore": 9.3, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L", "version": "4.0" } } ], "references": [ { "name": "https://github.com/zelon88/HRConvert2/security/advisories/GHSA-f74g-4wj8-j35h", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/zelon88/HRConvert2/security/advisories/GHSA-f74g-4wj8-j35h" }, { "name": "https://github.com/zelon88/HRConvert2/releases/tag/v3.3.8", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/zelon88/HRConvert2/releases/tag/v3.3.8" } ], "affected": [ { "vendor": "zelon88", "product": "HRConvert2", "versions": [ { "version": "< 3.3.8", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-14T20:32:43.490Z" }, "descriptions": [ { "lang": "en", "value": "HRConvert2 is a self-hosted, drag-and-drop & nosql file conversion server & share tool. Prior to 3.3.8, the sanitizeString() function in convertCore.php is missing backtick (`) and tab (\\t) from its strip list. User input then reaches shell_exec(), where the shell interprets these characters and commands within filenames execute. This vulnerability is fixed in 3.3.8." } ], "source": { "advisory": "GHSA-f74g-4wj8-j35h", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/zelon88/HRConvert2/security/advisories/GHSA-f74g-4wj8-j35h", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-15T13:34:44.637167Z", "id": "CVE-2026-44666", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-15T13:34:48.461Z" } } ] } }