CVE-2026-70356

Toptech TMS7 and TopHAT Unrestricted Upload of File with Dangerous Type

State: Published
Severity: 9.4 Critical
Published: Sep 29, 2026
Updated: Sep 30, 2026
Reserved: Aug 10, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	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	icscert
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	icscert

Weaknesses

CWE-434

Affected Products

Product	Versions
TMS7Toptech Systems	7.6.3Affected 7.8Not affected
TopHATToptech Systems	7.6.3Affected 7.8Not affected

References

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

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