CVE-2026-92921
CVE-2026-92921
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Weakness classification (CWE)
References
- github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C08_md5_credential_has… (exploit)
- github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin… (technical-description)
- github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin… (technical-description)
- github.com/cjbi/admin3 (product)
- www.vulncheck.com/advisories/admin3-through-3.0.0-weak-password-hashing-via-sin… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92921?
- CVE-2026-92921 is a medium-severity vulnerability, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 4.9/10. Published 2026-09-17.
- How severe is CVE-2026-92921?
- Medium severity. CVSS v3 base score is 4.9 out of 10.