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CVE-2026-108652— JeecgBoot through 3.9.5 Missing Authorization via /sys/api/updateAvatar

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 SystemApiController 的 updateAvatar 接口中存在缺失授权校验的安全漏洞，导致任何已认证用户均可修改其他用户的头像。低权限攻击者可以通过发送包含目标用户 ID 和任意值（例如攻击者控制的图片 URL）的 PUT 请求，替换管理员的头像。

CVSS 4.3 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1136.003 · Cloud Account

Affected Version Matrix 1

VendorProduct Version RangeStatus
jeecgboot JeecgBoot ≤ 3.9.5 affected
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I. Basic Information for CVE-2026-108652

Vulnerability Information
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Vulnerability Title
JeecgBoot through 3.9.5 Missing Authorization via /sys/api/updateAvatar
Source: CVE Program / CVE List V5
Vulnerability Description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SystemApiController updateAvatar handler that allows any authenticated user to change other users' avatars. Low-privileged attackers can send PUT requests with a target user id and an arbitrary value, such as an attacker-controlled image URL, to replace administrators' avatars.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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-2026-108652

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III. Intelligence Information for CVE-2026-108652

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Vendor Advisories for CVE-2026-108652 (1)

Proof of Concept for CVE-2026-108652 (1)

Same Patch Batch · jeecgboot · 2026-10-10 · 76 CVEs total

CVE-2026-108628 8.1 HIGH JeecgBoot through 3.9.5 Missing Authorization via saveDeptRolePermission Endpoint
CVE-2026-108657 8.1 HIGH JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/passApply
CVE-2026-108623 7.1 HIGH JeecgBoot through 3.9.5 Missing Authorization via /sys/log/deleteBatch
CVE-2026-108671 6.5 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/airagMcp/queryById
CVE-2026-108677 6.5 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/api/getUserByName
CVE-2026-108661 6.5 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/changeOwenUserTenant
CVE-2026-108648 6.5 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via getDynamicDbSourceByCode Endpoint
CVE-2026-108612 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/word/deleteBatch
CVE-2026-108616 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/extData/deleteBatch
CVE-2026-108622 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/log/delete Endpoint
CVE-2026-108615 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/extData/delete
CVE-2026-108611 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/word/delete Endpoint
CVE-2026-108643 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/category/deleteBatch
CVE-2026-108666 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/prompts/deleteBatch
CVE-2026-108624 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via sysMessage deleteBatch Endpoint
CVE-2026-108613 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/app/release Endpoint
CVE-2026-108619 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via sysMessageTemplate deleteBatch Endpoint
CVE-2026-108606 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/ocr/deleteById
CVE-2026-108644 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /sys/category/delete
CVE-2026-108668 5.4 MEDIUM JeecgBoot through 3.9.5 Missing Authorization via /airag/prompts/deleteRecycleBin

Showing top 20 of 76 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-108652

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