| Title | jeecgboot JeecgBoot <= v3.9.1 Remote Code Execution |
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| Description | A second-order Remote Code Execution (RCE) vulnerability exists in jeecgboot_JeecgBoot due to unsafe reflection within the FillRuleUtil component. The /sys/fillRule/edit endpoint lacks role-based authorization and input validation, allowing any authenticated user to modify the ruleClass parameter of an existing fill rule (e.g., org_num_role) and store a malicious class name in the database. When an administrator or user subsequently creates a department via the /sys/sysDepart/add endpoint, the application retrieves the poisoned rule and instantiates the malicious class using Class.forName().newInstance(), resulting in arbitrary code execution. |
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| Source | ⚠️ https://github.com/jeecgboot/JeecgBoot/issues/9552 |
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| User | Ana10gy (UID 93358) |
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| Submission | 04/15/2026 17:15 (3 months ago) |
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| Moderation | 05/01/2026 13:58 (16 days later) |
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| Status | Accepted |
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| VulDB entry | 360559 [JeecgBoot up to 3.9.1 FillRuleUtil /sys/fillRule/edit ruleClass improper authorization] |
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| Points | 20 |
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