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CVE-2026-108883— JeecgBoot through 3.9.5 Missing Authorization via /sys/thirdApp/editThirdAppConfig

Quick assessment

Affected
jeecgboot JeecgBoot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

JeecgBoot 3.9.5 及更早版本在 处理程序中存在缺失授权验证的安全漏洞，允许任何已认证用户修改第三方应用程序配置。低权限攻击者可替换钉钉、企业微信或飞书集成中的 Client ID、Client Secret、Agent ID 和 Corp ID，从而将目录同步和消息通信重定向至攻击者控制的第三方应用，或导致这些集成服务不可用。

CVSS 6.5 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
jeecgboot JeecgBoot ≤ 3.9.5 affected
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I. Basic Information for CVE-2026-108883

Vulnerability Information
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Vulnerability Title
JeecgBoot through 3.9.5 Missing Authorization via /sys/thirdApp/editThirdAppConfig
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
jeecgboot JeecgBoot 0 ~ 3.9.5 -

II. Public POCs for CVE-2026-108883

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-108883

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Patches & Fixes for CVE-2026-108883 (1)

Vendor Advisories for CVE-2026-108883 (1)

Proof of Concept for CVE-2026-108883 (1)

Same Patch Batch · jeecgboot · 2026-10-11 · 24 CVEs total

CVE-2026-108882 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/position/removePositionUser
CVE-2026-108884 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via sysMessageTemplate Delete Endpoint
CVE-2026-108870 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via POST /sys/role/datarule
CVE-2026-108877 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/prompts/delete
CVE-2026-108885 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/message/sysMessage/delete
CVE-2026-108871 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via POST /sys/sysDepartRole/datarule
CVE-2026-108881 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/getTenantPackInfo
CVE-2026-108868 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/api/sendBusTemplateAnnouncement
CVE-2026-108874 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/user/changeDepartChargePerson
CVE-2026-108873 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/user/doUpdateDepartInfo
CVE-2026-108887 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/comment/exportXls
CVE-2026-108867 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/api/getUserRoleSetById
CVE-2026-108866 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/api/queryUserAuths
CVE-2026-108872 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/user/batchEditUsers
CVE-2026-108869 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/api/sendSysAnnouncement
CVE-2026-108886 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/user/queryChildrenByUsername
CVE-2026-108891 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/user/getUserDetailByUserId
CVE-2026-108876 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/user/putCancelQuit
CVE-2026-108875 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/user/addSysUserGroup
CVE-2026-108880 4.3 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/dict/editDictByLowAppId

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: JeecgBoot
Same vendor: jeecgboot
Same weakness: CWE-862

V. Comments for CVE-2026-108883

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