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CRITICAL

CVE-2026-70356

CVSS v3

9.1

CRITICAL

EPSS Score

0.4 %

exploit probability, as of 2026-09-30

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
2026-09-29
Last Modified
2026-09-29

Frequently asked questions

What is CVE-2026-70356?

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.

Is CVE-2026-70356 actively exploited?

Active exploitation of CVE-2026-70356 has not been confirmed. Its EPSS score was 0.4% on 2026-09-30, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-70356?

CVE-2026-70356 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Is CVE-2026-70356 affecting your environment?

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