JeecgBoot Missing Authorization in Department Excel Import
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
JeecgBoot through 3.9.5 has a missing authorization flaw (CWE-862) in the appImportExcel handler of SysDepartController. Any authenticated user, including low-privileged accounts, can upload a crafted Excel workbook to POST /sys/sysDepart/appImportExcel and create arbitrary sys_depart records in the department tree that administrators maintain. CVSS 4.0 scores it 5.3 (MEDIUM), and CISA SSVC lists exploitation as poc, not automatable, with partial technical impact. It is not in CISA KEV.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysDepartController appImportExcel handler that allows any authenticated user to import departments. Low-privileged attackers can upload a crafted Excel workbook to POST /sys/sysDepart/appImportExcel to create arbitrary sys_depart records in the administrator-maintained department tree.
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
Remediation
No fixed version is listed for JeecgBoot through 3.9.5. Restrict access to POST /sys/sysDepart/appImportExcel to trusted users, and review sys_depart records for entries nobody created.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-108636
- 2026-10-11 Alias added: GHSA-ww57-4vw8-q38h
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: LOW → MEDIUM
References
Exploit 1
Other 1
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Sources
- CVE-2026-108636 · CVE Program
- CVE-2026-108636 · NVD
- FIRST EPSS
- GHSA-ww57-4vw8-q38h · 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