# CVE-2026-90939

## Summary

- **CVE ID:** CVE-2026-90939
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-862
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

novel-plus through 5.3.3 contains an information disclosure vulnerability in the /sys/user/list endpoint that lacks proper permission annotations. Authenticated attackers can retrieve password hashes and personal data including email addresses and phone numbers for users within their data scope, enabling offline hash cracking and account takeover.

## Affected Products

- 201206030 — novel-plus (0)

## References

- [CNA](https://github.com/LinYuanyi1/cve-request-poc/blob/master/novel-plus/poc-03-user-list-password-hash-disclosure.py)
- [CNA](https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/java/com/java2nb/system/controller/SysUserController.java)
- [CNA](https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/resources/mybatis/system/UserMapper.xml)
- [CNA](https://github.com/201206030/novel-plus/releases/tag/v5.3.3)
- [CNA](https://github.com/201206030/novel-plus)
- [CNA](https://www.vulncheck.com/advisories/novel-plus-through-5.3.3-missing-authorization-on-the-admin-sys-user-list-endpoint)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 18.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._