Read the docs
TI-2026-06758 Aliases CVE-2026-7676GHSA-q9x3-4xcq-8pvc

kerwincui FastBee Tool Download Endpoint ToolController.java ToolController.download path traversal

Priority MEDIUM 57CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

A vulnerability was found in kerwincui FastBee up to 1.2.1. The affected element is the function ToolController.download of the file springboot/fastbee-open-api/src/main/java/com/fastbee/data/controller/ToolController.java of the component Tool Download Endpoint. The manipulation of the argument fileName results in path traversal. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00365 30th 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
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

VendorProductAffected versionsFixed inStatusSource
kerwincuiFastBee1.2.0; 1.2.1—No fix listedCNA
  • FastBee Vendorkerwincui Affected 1.2.0; 1.2.1 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-2026-7676
  2. 2026-10-03 Alias added: GHSA-q9x3-4xcq-8pvc

References

  • TI-2026-72008 FastBee IDOR in device endpoints allows device takeover CVSS 4.0HIGH 8.6
  • TI-2026-75440 Insecure direct object reference in FastBee group endpoints CVSS 4.0MEDIUM 5.3
  • TI-2026-06759 kerwincui FastBee System Notice SysNoticeController.java add cross site scripting CVSS 4.0MEDIUM 5.1

Sources