Vulnerability in Xxyopen Novel
CVE-2026-110104
Xxyopen novel through 3.5.0 contains a weak password hashing vulnerability that allows attackers to recover plaintext passwords because UserServiceImpl.register() stores unsalted MD5 digests in user_info.password. Attackers who obtain the password column through a database leak or backup exposure can crack hashes with precomputed tables or GPU brute force and reuse credentials.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/201206030/novel/pull/53 (issue-tracking, technical-description, patch)
- github.com/201206030/novel/blob/v3.5.0/src/main/java/io/github/xxyopen/novel/se… (technical-description)
- github.com/201206030/novel/commit/fa82ce7e426a5b29db469b8f13d2e29fc1260871 (patch)
- www.vulncheck.com/advisories/novel-through-3.5.0-unsalted-md5-password-storage (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110104?
- CVE-2026-110104 is a medium-severity vulnerability in Xxyopen Novel, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.9/10. Published 2026-10-13.
- How severe is CVE-2026-110104?
- Medium severity. CVSS v3 base score is 5.9 out of 10.