{"id":"CVE-2026-92921","title":"admin3 through 3.0.0 stores account passwords using single-round MD5 with only the username as salt and no key derivation function","summary":"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 …","severity":"medium","cvss":4.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-916"],"vendor":"cjbi","product":"admin3","affected":["admin3 <= 3.0.0"],"published":"2026-09-17","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:53:07.383","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92921","references":[{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C08_md5_credential_hashing.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/cjbi/admin3","label":"disclosure@vulncheck.com"},{"url":"https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/common/SecurityUtil.java","label":"disclosure@vulncheck.com"},{"url":"https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/sys/model/UserCredential.java","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/admin3-through-3.0.0-weak-password-hashing-via-single-round-md5","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00182,"epssPercentile":0.08081,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T19:40:06.366538Z"},"ingestedAt":"2026-09-17T13:18:16.980Z","slug":"CVE-2026-92921","body":"## Overview\n\nadmin3 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":27,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":207472,"id":"CVE-2026-92921","ts":1789761068782,"field":"exploit_available","old":"false","new":"true"}]}