CVE-2026-124590: zhangbw409 library_manager_system · CWE-266
Source GCVE Database
Public exploit available · CVSS 6.9 Medium.
Data as of 9 Nov 2026, 13:05 UTC
Thin evidence
One scorer or none| CNA (VulDB) | CVSS 4.0 | 6.9 |
|---|---|---|
| CNA (VulDB) | CVSS 3.1 | 7.3 |
| CNA (VulDB) | CVSS 3.0 | 7.3 |
| CNA (VulDB) | CVSS 2.0 | 7.5 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 9 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| zhangbw409library_manager_system | Affected
| Fixed in– |
AI-suggested
Users should monitor the vendor's communications for updates. Given the rolling release model, applying updates promptly when they become available is recommended. Until a fix is released, restricting access to the affected function or implementing additional authorization checks at the application or network level may reduce risk.
Description
A security vulnerability (CVE-2026-124590) exists in the zhangbw409 library_manager_system affecting the BookController.addBook function in UserController.java. Improper authorization occurs due to manipulation of userName, userPwd, userEmail, or userId arguments. The vulnerability can be exploited remotely and public exploit code is available. The project uses a rolling release model, so no specific affected versions or patches are identified. The vendor has not yet responded to the issue report.
References
- nvd.nist.gov/vuln/detail/CVE-2026-124590 (opens in a new tab)
- github.com/zhangbw409/library_manager_system/issues/15 (opens in a new tab)
- github.com/zhangbw409/library_manager_system (opens in a new tab)
- vuldb.com/cve/CVE-2026-124590 (opens in a new tab)
- vuldb.com/submit/1040539 (opens in a new tab)
- vuldb.com/vuln/433014 (opens in a new tab)
- vuldb.com/vuln/433014/cti (opens in a new tab)