CVE-2026-108633
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to create department permission bindings via POST /sys/sysDepartPermission/add. Attackers can submit arbitrary departId, permissionId and dataRuleIds fields to attach menu, button and data rule grants to any department for delegation to its roles.
Risk Assessment
Unauthorized creation of permission bindings can lead to privilege escalation and grant unauthorized access to functions. This can compromise the integrity of the permission model and enable further attacks.
Recommendation
Update JeecgBoot to a version newer than 3.9.5 or apply the vendor patch. It is also recommended to add permission checks to the add endpoint and verify permission assignments.
Other vulnerabilities in JeecgBoot
See all- CVE-2026-75411Critical
JeecgBoot v3.9.2 is vulnerable to Remote command execution. The CodeNode component of the AI Flow module supports Groovy script execution. While the `SecurityCheck` class employs a blacklist mechanism to intercept dangerous calls, the dynamic nature of Groovy allows this blacklist to be completely bypassed through string concatenation and reflection.
- CVE-2026-67926Critical
An issue in JeecgBoot v.3.9.2 allows a remote attacker to execute arbitrary code via the files Parameter in JeecgBoot AI Chat Module.
- CVE-2026-108891Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController getUserDetailByUserId handler that allows any authenticated user to read other users' details. Low-privileged attackers can supply arbitrary userId values to retrieve real names, usernames, emails, phone numbers, birthdays, employee numbers, department paths and posts.
- CVE-2026-108888Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysDepartRoleController exportXls handler that allows any authenticated user to export department roles. Low-privileged attackers holding only the default minimal role can call /sys/sysDepartRole/exportXls to download all sys_depart_role records, including role names, codes, descriptions and creating users.
- CVE-2026-108887Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysCommentController exportXls handler that allows any authenticated user to export all comments. Low-privileged attackers can request /sys/comment/exportXls to download every sys_comment row, including comment text and user ids on records they cannot access.
- CVE-2026-108886Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController queryChildrenByUsername handler that allows any authenticated user to retrieve other users' account records. Low-privileged attackers can supply arbitrary userId values to obtain names, emails, phone numbers, employee numbers, department assignments, and staff lists of departments those users head.
- CVE-2026-108885Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysMessageController delete handler that allows low-privileged authenticated users to delete message records. Attackers can send DELETE requests with arbitrary id values to remove any sys_sms row, erasing records of sent notifications without ownership checks.
- CVE-2026-108884Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysMessageTemplateController delete handler that allows any authenticated user to delete message templates. Low-privileged attackers can obtain template ids from the unguarded list endpoint and delete shipped notification templates, causing system notices and workflow reminders to fail.
- CVE-2026-108883Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the editThirdAppConfig handler that allows any authenticated user to modify third-party application configurations. Low-privileged attackers can replace client id, client secret, agent id and corp id of DingTalk, WeCom or Feishu integrations to redirect directory synchronisation and messaging to attacker-controlled applications or break them.
- CVE-2026-108882Medium
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysPositionController removeUserPosition handler that allows any authenticated user to remove position members. Low-privileged attackers can send DELETE requests with arbitrary userIds and positionId values to delete sys_user_position rows, detaching users from positions without logging.
Original NVD description (English source)
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to create department permission bindings via POST /sys/sysDepartPermission/add. Attackers can submit arbitrary departId, permissionId and dataRuleIds fields to attach menu, button and data rule grants to any department for delegation to its roles.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

