{"id":"CVE-2026-92921","summary":"admin3 through 3.0.0 Weak Password Hashing via Single-Round MD5","details":"admin3 through 3.0.0 stores account passwords using single-round MD5 with only the username as salt and no key derivation function. Attackers with database access can recover plaintext passwords through offline dictionary or brute-force attacks due to negligible computational effort.","modified":"2026-09-20T11:31:01.588908930Z","published":"2026-09-17T12:33:25.228Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-916"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92921.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92921.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92921"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/admin3-through-3.0.0-weak-password-hashing-via-single-round-md5"},{"type":"PACKAGE","url":"https://github.com/cjbi/admin3"},{"type":"ARTICLE","url":"https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/common/SecurityUtil.java"},{"type":"ARTICLE","url":"https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/sys/model/UserCredential.java"},{"type":"EVIDENCE","url":"https://github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C08_md5_credential_hashing.py"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cjbi/admin3","events":[{"introduced":"c24d25fe571347cd32662b4e135f826e2ea4b140"},{"fixed":"c24d25fe571347cd32662b4e135f826e2ea4b140"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"3.0.0"},{"introduced":"admin3"},{"fixed":"3.0.0"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92921.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}