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JeecgBoot EUVDEUVD-2026-72178

| CVE-2026-86228 LOW
Improper Access Control (CWE-284)
2026-09-06 VulDB GHSA-3w57-w8jf-q76r
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
4.3 MEDIUM

Network-reachable endpoint requires low-privileged authentication; confidentiality impact limited to credential data, with no integrity or availability effect.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

7
Metadata Corrected
Sep 06, 2026 - 23:40 vuln.today
tag: Information Disclosure added
Metadata Corrected
Sep 06, 2026 - 23:40 vuln.today
tag: Authentication Bypass removed
Source Code Evidence Fetched
Sep 06, 2026 - 23:22 vuln.today
Analysis Generated
Sep 06, 2026 - 23:22 vuln.today
Severity Changed
Sep 06, 2026 - 23:22 NVD
MEDIUM LOW
CVSS changed
Sep 06, 2026 - 23:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Sep 06, 2026 - 22:30 cve.org
LOW 2.1

DescriptionCVE.org

A security vulnerability has been detected in JeecgBoot up to 3.9.3. This vulnerability affects the function exportXls of the file jeecg-boot/jeecg-boot-module/jeecg-boot-module-airag/src/main/java/org/jeecg/modules/airag/llm/controller/AiragModelController.java. Such manipulation of the argument credential leads to improper access controls. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.9.5 is able to resolve this issue. The name of the patch is a2be896f753936956ee6863b632b8e5a0231345c. You should upgrade the affected component.

AnalysisAI

Improper access control in JeecgBoot's AI-RAG module (versions up to 3.9.3) permits a low-privileged authenticated user to invoke the exportXls endpoint in AiragModelController.java and extract LLM model credentials by manipulating the credential parameter beyond their authorization level. The attack is network-accessible and requires only a valid low-privileged session with no administrative rights. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid authenticated JeecgBoot session with at minimum a low-privileged account (PR:L per CVSS 4.0); unauthenticated external attackers cannot directly exploit this vulnerability. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.3 (AV:N/AC:L/AT:N/PR:L/UI:N/VC:L) accurately reflects constrained impact - authentication is required (PR:L) and the confidentiality effect is limited (VC:L) with no integrity or availability consequences. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade JeecgBoot to version 3.9.5 or later, available at https://github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.5; the fix is in commit a2be896f753936956ee6863b632b8e5a0231345c. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-72178 vulnerability details – vuln.today

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