CVE-2026-108887

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_comment_form_leak.py
https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysCommentController.java#L329-L332
https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-comment-exportxls

Configurations

No configuration.

History

11 Oct 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-11 15:16

Updated : 2026-10-13 20:40

NVD link : CVE-2026-108887

Mitre link : CVE-2026-108887

CVE.ORG link : CVE-2026-108887

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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