JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysCategoryController importExcel handler that allows any… (CVE-2026-108646)
Description
JeecgBoot versions through 3.9.5 have a missing authorization vulnerability in the SysCategoryController importExcel handler. This flaw allows any authenticated user, including those with low privileges, to import crafted Excel files that bulk insert arbitrary nodes into the system-wide sys_category dictionary. This can lead to unauthorized modification of category dictionary entries.
CVSS v3.1
Score 4.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-108646 describes a missing authorization vulnerability in JeecgBoot through version 3.9.5 within the SysCategoryController importExcel handler. The vulnerability permits any authenticated user to upload specially crafted Excel workbooks to bulk insert arbitrary nodes into the sys_category dictionary, including under existing parent nodes. This allows low-privileged attackers to modify system-wide category data without proper authorization controls.
Potential Impact
The vulnerability enables low-privileged authenticated users to perform unauthorized modifications to the sys_category dictionary by bulk inserting arbitrary nodes. This impacts the integrity of system-wide category data but does not affect confidentiality or availability according to the CVSS vector (no confidentiality or availability impact, limited integrity impact).
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the importExcel functionality to trusted users only and monitor for suspicious import activity.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-xrqv-cwxg-4rp6
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-108646"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6acc00dd2cdf04f656feeba7
Added to database: 10/11/2026, 21:34:21 UTC
Last enriched: 10/11/2026, 21:58:57 UTC
Last updated: 10/11/2026, 22:28:24 UTC
Views: 7
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