Guns through 8.3.5 Improper Access Control via SysNoticeController
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-92601
- 2026-10-03 Alias added: GHSA-3jcw-728q-x66v
References
Other 4
- GitHub Issue #119
- 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://repo1.maven.org/maven2/com/javaguns/roses/system-business-portal/8.3.5/system-business-portal-8.3.5-sources.jar
More stylefeng vulnerabilities
- TI-2026-62456 Guns through 8.3.5 Information Disclosure via Missing Permission Check CVSS 4.0HIGH 7.1
Sources
- CVE-2026-92601 · CVE Program
- CVE-2026-92601 · NVD
- FIRST EPSS
- GHSA-3jcw-728q-x66v · GitHub Advisory Database · CC BY 4.0
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