CVE-2026-70356

CRITICAL 9.1

Toptech TMS7 and TopHAT Unrestricted Upload of File with Dangerous Type

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-434
Vendor	toptech systems
Product	tms7
Published	Sep 29, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Toptech Systems / TMS7

7.6.3

Toptech Systems / TopHAT

7.6.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

toptech.com: https://www.toptech.com/blog/tms7-version-7-8-strengthens-security cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-272-02.json

Credits

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