CVE-2026-124621: kongxin-github Java_Library_Management_System · CWE-266
Source GCVE Database
Public exploit available · CVSS 5.3 Medium.
Data as of 9 Nov 2026, 13:05 UTC
Thin evidence
One scorer or none| CNA (VulDB) | CVSS 4.0 | 5.3 |
|---|---|---|
| CNA (VulDB) | CVSS 3.1 | 7.4 |
| CNA (VulDB) | CVSS 3.0 | 7.4 |
| CNA (VulDB) | CVSS 2.0 | 6.5 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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 |
|---|---|---|
| kongxin-githubJava_Library_Management_System | Affected
| Fixed in– |
AI-suggested
Users should monitor the vendor's repository or communication channels for updates. Until a fix is released, restricting access to the affected functions and limiting user privileges may reduce risk. Given the public disclosure and exploit availability, prompt attention is advised.
Description
CVE-2026-124621 is a high-severity vulnerability in the kongxin-github Java_Library_Management_System affecting multiple functions in the Swing UI Layer. It causes improper authorization, allowing remote attackers with limited privileges to perform unauthorized actions. The vulnerability has been publicly disclosed with available exploit details. The project uses a rolling release model and has not yet provided a fix or response.
References
- nvd.nist.gov/vuln/detail/CVE-2026-124621 (opens in a new tab)
- github.com/kongxin-github/Java_Library_Management_System/issues/4 (opens in a new tab)
- github.com/kongxin-github/Java_Library_Management_System (opens in a new tab)
- vuldb.com/cve/CVE-2026-124621 (opens in a new tab)
- vuldb.com/submit/1040541 (opens in a new tab)
- vuldb.com/vuln/433046 (opens in a new tab)
- vuldb.com/vuln/433046/cti (opens in a new tab)