CVE-2026-92601

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-16. the CNA's CVSS baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 24, 2026

Advisory Details (5)

Auto-updated Sep 16, 2026
No patch confirmed yet. Sources: github.
generic

Guns through 8.3.5 Improper Access Control via SysNoticeController | Advisories | VulnCheck

https://www.vulncheck.com/advisories/guns-through-8.3.5-improper-access-control-via-sysnoticecontroller
generic
https://repo1.maven.org/maven2/com/javaguns/roses/system-business-portal/8.3.5/system-business-portal-8.3.5-sources.jar
github

Guns/src/main/java/cn/stylefeng/guns/core/security/TokenAndPermissionInterceptor.java at 2a12947733945d5c06197d99ecaa77d7f2b0aeba · stylefeng/Guns · GitHub

https://github.com/stylefeng/Guns/blob/2a12947733945d5c06197d99ecaa77d7f2b0aeba/src/main/java/cn/stylefeng/guns/core/security/TokenAndPermissionInterceptor.java#L110-L119
generic

GitHub - stylefeng/Guns: Guns是一个现代化的Java应用开发框架，基于主流技术Spring Boot3 + Vue3 + JDK17，Guns的核心理念是提高开发人员开发效率，降低企业信息化系统的开发成本。 · GitHub

https://github.com/stylefeng/Guns
generic

Missing permission check on SysNoticeController allows any authenticated user to create and publish system-wide notices · Issue #119 · stylefeng/Guns · GitHub

https://github.com/stylefeng/Guns/issues/119

Vendor Advisories for CVE-2026-92601(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-24 14:52 UTCEG score recompute
  2. 2026-09-24 14:52 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 17:21 UTCGHSA enrichment
  6. 2026-09-23 14:58 UTCEG score recompute
  7. 2026-09-23 14:57 UTCGHSA enrichment
  8. 2026-09-22 16:01 UTCEPSS rescore
  9. 2026-09-22 15:31 UTCEG score recompute
  10. 2026-09-22 15:30 UTCGHSA enrichment
  11. 2026-09-21 21:09 UTCEPSS rescore
  12. 2026-09-21 16:04 UTCEG score recompute
  13. 2026-09-21 16:04 UTCGHSA enrichment
  14. 2026-09-20 20:16 UTCEPSS rescore
  15. 2026-09-20 16:37 UTCGHSA enrichment
  16. 2026-09-19 17:11 UTCEG score recompute
  17. 2026-09-19 17:11 UTCGHSA enrichment
  18. 2026-09-18 19:28 UTCEPSS rescore
  19. 2026-09-18 17:45 UTCEG score recompute
  20. 2026-09-18 17:45 UTCGHSA enrichment
  21. 2026-09-17 19:32 UTCEPSS rescore
  22. 2026-09-17 18:18 UTCEG score recompute
  23. 2026-09-17 18:18 UTCGHSA enrichment
  24. 2026-09-16 18:24 UTCEG score recompute
  25. 2026-09-16 17:37 UTCEG score recompute
Show 2 more
  1. 2026-09-16 16:23 UTCEG score recompute
  2. 2026-09-16 16:19 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-92601?
CVE-2026-92601 is a medium vulnerability published on September 16, 2026. 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…
When was CVE-2026-92601 disclosed?
CVE-2026-92601 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92601 actively exploited?
CVE-2026-92601 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 69.9% of all scored CVEs.
What is the CVSS score of CVE-2026-92601?
CVE-2026-92601 has a CVSS v4.0 base score of 6.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-92601?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92601, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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