CVE-2026-70356 PUBLISHED

Toptech TMS7 and TopHAT Unrestricted Upload of File with Dangerous Type

Assigner: icscert
Reserved: 10.08.2026 Published: 29.09.2026 Updated: 30.09.2026

The TMS file upload endpoint fails to enforce server-side file type restrictions, allowing an attacker to upload and execute arbitrary PHP files on the web server.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.1

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Toptech Systems
Product	TMS7
Versions	Default: unaffected Version 7.6.3 is affected Version 7.8 is unaffected

Vendor	Toptech Systems
Product	TopHAT
Versions	Default: unaffected Version 7.6.3 is affected Version 7.8 is unaffected

Solutions

Toptech Systems sent a security advisory to their customers on July 20, 2026. The issue has been addressed in release 7.8. Users can get the latest release and more information on this issue at the Toptech Systems security blog. https://www.toptech.com/blog/tms7-version-7-8-strengthens-security

Credits

Sachin Shetty and Roy Duisters of Shell CyberDefence reported this vulnerability to Toptech and CISA. finder

References

Problem Types

CWE-434 CWE