CVE-2026-92600

MEDIUM 6.5

Guns through 8.3.5 Information Disclosure via Missing Permission Check

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	stylefeng
Product	guns
Published	Sep 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

stylefeng / Guns

0 ≤ 8.3.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/stylefeng/Guns/issues/118 github.com: https://github.com/stylefeng/Guns github.com: https://github.com/stylefeng/Guns/blob/2a12947733945d5c06197d99ecaa77d7f2b0aeba/src/main/java/cn/stylefeng/guns/core/security/TokenAndPermissionInterceptor.java#L110-L119 repo1.maven.org: https://repo1.maven.org/maven2/com/javaguns/roses/system-business-hr/8.3.5/system-business-hr-8.3.5-sources.jar vulncheck.com: https://www.vulncheck.com/advisories/guns-through-8.3.5-information-disclosure-via-missing-permission-check

Credits

🔍 George Chen