Medium severity · published Sep 16, 2026
CVE-2026-92600
Guns through 8.3.5 Information Disclosure via Missing Permission Check
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GU
Guns · stylefeng
through 8.3.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-92600
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-92600
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
github.com
https://github.com/stylefeng/Guns/issues/118
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
www.vulncheck.com
https://www.vulncheck.com/advisories/guns-through-8.3.5-information-disclosure-via-missing-permission-check
More from Guns
6.5
CVE-2026-92601
Guns through 8.3.5 Improper Access Control via SysNoticeController