CVE-2026-92600

Guns through 8.3.5 Information Disclosure via Missing Permission Check

State: Published
Severity: 7.1 High
Published: Sep 16, 2026
Updated: Sep 24, 2026
Reserved: Sep 16, 2026

Description

Guns through 8.3.5 contains an information disclosure vulnerability in SysUserController where /sysUser/detail and /sysUser/page endpoints omit requiredPermission configuration, causing the permission interceptor to skip RBAC validation for authenticated users. Attackers with any valid login token can retrieve sensitive user information including account names, real names, email addresses, phone numbers, last login IPs, and role assignments for all users in the system.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
Gunsstylefeng	8.3.5 and earlierAffected

References

GitHub Issue #118issue-tracking
https://github.com/stylefeng/Gunsproduct
https://github.com/stylefeng/Guns/blob/2a12947733945d5c06197d99ecaa77d7f2b0aeba/src/main/java/cn/stylefeng/guns/core/security/TokenAndPermissionInterceptor.java#L110-L119technical-description
https://repo1.maven.org/maven2/com/javaguns/roses/system-business-hr/8.3.5/system-business-hr-8.3.5-sources.jartechnical-description
VulnCheck Advisory: Guns through 8.3.5 Information Disclosure via Missing Permission Checkthird-party-advisory

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