TI-2026-55468 Aliases CVE-2026-80237 GHSA-5w42-7c8c-6jj3

Thinking Software Technology｜Efence - Arbitrary File Upload

MEDIUM 41CWE-434Published 2026-08-26 · Updated 2026-08-26

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

EFence developed by Thinking Software Technology has an Arbitrary File Upload vulnerability. Authenticated remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00786 56th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Thinking Software Technology	Efence	up to 1.2.66 DB Ver:56	—	No fix listed	CNA

Efence VendorThinking Software Technology Affected up to 1.2.66 DB Ver:56 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-80237
2026-10-03 Alias added: GHSA-5w42-7c8c-6jj3

References

Advisory 2

TI-2026-55466 Thinking Software Technology｜EFence - Arbitrary File Upload CVSS 4.0CRITICAL 9.3
TI-2026-55467 Thinking Software Technology｜Efence - SQL Injection CVSS 4.0HIGH 8.8
TI-2026-60405 Thinking Software Technology｜EFence - SQL Injection CVSS 4.0HIGH 8.7

Sources

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