What’s Vulnerable › Vulnerabilities

CVE-2026-92601: Guns through 8.3.5 Improper Access Control via SysNoticeController

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-09-23
• Weakness: CWE-862

Description

Guns through 8.3.5 contains an improper access control vulnerability in SysNoticeController where requiredPermission defaults to false and is not overridden by any action methods. Authenticated users without assigned roles can exploit this to create, edit, delete, publish and retract system-wide notices affecting arbitrary users and departments.

Affected products

• stylefeng Guns: through 8.3.5

References

• https://github.com/stylefeng/Guns
• https://github.com/stylefeng/Guns/blob/2a12947733945d5c06197d99ecaa77d7f2b0aeba/src/main/java/cn/stylefeng/guns/core/security/TokenAndPermissionInterceptor.java#L110-L119
• https://github.com/stylefeng/Guns/issues/119
• https://repo1.maven.org/maven2/com/javaguns/roses/system-business-portal/8.3.5/system-business-portal-8.3.5-sources.jar
• https://www.vulncheck.com/advisories/guns-through-8.3.5-improper-access-control-via-sysnoticecontroller
• https://github.com/stylefeng/Guns/issues/119

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