CVE-2026-108652 Details
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.
A missing authorization vulnerability has been identified in JeecgBoot versions through 3.9.5. The issue resides in the SystemApiController's updateAvatar handler, where any authenticated user can change the avatars of other users. Low-privileged attackers can exploit this by sending PUT requests with a target user ID and an arbitrary value, such as a URL to an image controlled by the attacker, to replace the avatars of administrators.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 10, 2026CISA-ADP
Assessed Oct 18, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| JeecgBoot | <= 3.9.5 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 18, 2026 | CVE Modified | CISA-ADP |
| Oct 10, 2026 | New CVE Received | [email protected] |