{"id":"CVE-2026-42167","details":"mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).","modified":"2026-06-18T03:57:41.110631561Z","published":"2026-04-28T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42167.json","cwe_ids":["CWE-89"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/05/01/13"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/05/01/4"},{"type":"WEB","url":"http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2026/05/01/4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42167.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42167"},{"type":"REPORT","url":"https://github.com/proftpd/proftpd/issues/2052"},{"type":"PACKAGE","url":"https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc"},{"type":"ARTICLE","url":"https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/proftpd/proftpd","events":[{"introduced":"ceb2f7771e8dd7f0697b5c151f97dd39aa5c453a"},{"fixed":"390b21555268bbc64b66d2dfa7ae40476419b80f"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"1.3.7b"},{"fixed":"1.3.9a"},{"introduced":"0"},{"fixed":"1.3.9a"}]}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-42167.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}