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TI-2026-05349 Aliases CVE-2026-6105GHSA-5xx4-vfw9-vhfp

perfree go-fastdfs-web doInstall InstallController.java improper authorization

Priority LOW 36CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-285.

Summary

A security vulnerability has been detected in perfree go-fastdfs-web up to 1.3.7. This affects an unknown part of the file src/main/java/com/perfree/controller/InstallController.java of the component doInstall Interface. The manipulation leads to improper authorization. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
perfreego-fastdfs-web1.3.0; 1.3.1; 1.3.2; 1.3.3; 1.3.4; 1.3.5; 1.3.6; 1.3.7—No fix listedCNA
  • go-fastdfs-web Vendorperfree Affected 1.3.0; 1.3.1; 1.3.2; 1.3.3; 1.3.4; 1.3.5; 1.3.6; 1.3.7 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6105
  2. 2026-10-03 Alias added: GHSA-5xx4-vfw9-vhfp

References

Exploit 1

  • TI-2025-21031 In PerfreeBlog version 4.0.11, regular users can exploit the arbitrary file upload… CVSS 3.1HIGH 8.8
  • TI-2025-21072 PerfreeBlog v4.0.11 has a directory traversal vulnerability in the getThemeFilesByName function. CVSS 3.1HIGH 7.5
  • TI-2023-21565 An issue in Perfree PerfreeBlog v.3.1.2 allows a remote attacker to execute arbitrary… CVSS 3.1HIGH 7.2
  • TI-2026-09868 perfree go-fastdfs-web Installation Endpoint checkServer server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2025-37803 PerfreeBlog v4.0.11 has a File Upload vulnerability in the installPlugin function CVSS 3.1HIGH 7.6
  • TI-2025-37802 PerfreeBlog v4.0.11 has a File Upload vulnerability in the installTheme function CVSS 3.1HIGH 7.6
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences