JeecgBoot SysUser userEdit user.getUsername access control
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Privilege escalation, Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.
Summary
A vulnerability was found in JeecgBoot up to 3.9.1. Impacted is the function user.getUsername of the file /sys/user/login/setting/userEdit of the component SysUser. The manipulation of the argument userIdentity results in improper access controls. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.9.2 is recommended to address this issue. The affected component should be upgraded.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | JeecgBoot | 3.9.0; 3.9.1 | 3.9.2 | Patch available | CNA |
- JeecgBoot Vendor— Affected 3.9.0; 3.9.1 Fixed in 3.9.2 Patch available CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jeecgboot:jeecgboot:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:jeecgboot:jeecgboot:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
- Fix · CNA JeecgBoot Fixed in 3.9.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9579
- 2026-10-03 Alias added: GHSA-q7x2-2w32-gxv3
References
Sources
- CVE-2026-9579 · CVE Program
- CVE-2026-9579 · NVD
- FIRST EPSS
- GHSA-q7x2-2w32-gxv3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences