---
title: "CVE-2026-70356: TMS - Unrestricted File Upload"
description: "TMS contains an unrestricted file upload vulnerability caused by lack of server-side file type enforcement in the file upload endpoint, letting attackers upload and execute arbitrary PHP files remotely, exploit requires no special privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-70356/
---

# CVE-2026-70356 TMS - Unrestricted File Upload

TMS contains an unrestricted file upload vulnerability caused by lack of server-side file type enforcement in the file upload endpoint, letting attackers upload and execute arbitrary PHP files remotely, exploit requires no special privileges.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.40% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-70356)

## Details

Type

Unrestricted File Upload

Impact

Remote Code Execution

CVSS vector

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

Published

29 September 2026

Updated

15 October 2026

Weakness

[CWE-434](https://cwe.mitre.org/data/definitions/434.html)

## Vendor fix

Update to the latest version with proper server-side file type validation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-70356](https://nvd.nist.gov/vuln/detail/CVE-2026-70356)
- [https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02](https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02)
- [https://www.toptech.com/blog/tms7-version-7-8-strengthens-security](https://www.toptech.com/blog/tms7-version-7-8-strengthens-security)
- [https://github.com/cisagov/CSAF/blob/develop/csaf\_files/OT/white/2026/icsa-26-272-02.json](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-272-02.json)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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