{"id":"CVE-2026-44666","summary":"HRConvert2: Missing Sanitization enables Unauthenticated Remote Command Execution","details":"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.","aliases":["GHSA-f74g-4wj8-j35h"],"modified":"2026-07-15T01:49:06.983535598Z","published":"2026-05-14T20:32:43.490Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44666.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-78"]},"references":[{"type":"WEB","url":"https://github.com/zelon88/HRConvert2/releases/tag/v3.3.8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44666.json"},{"type":"ADVISORY","url":"https://github.com/zelon88/HRConvert2/security/advisories/GHSA-f74g-4wj8-j35h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44666"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zelon88/hrconvert2","events":[{"introduced":"0"},{"fixed":"b2ce4bc75dcd6f66bfa2c3d75d45bd158a274fc6"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.3.8"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v3.3","v3.1","v2.9.2","v2.7","v2.6","v2.4","v2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44666.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}