CVE-2026-70356: CWE-434 in Toptech Systems TMS7
CVE-2026-70356 is a critical vulnerability in Toptech Systems TMS7 version 7.6.3 where the file upload endpoint does not enforce server-side file type restrictions. This flaw allows an attacker with high privileges to upload and execute arbitrary PHP files on the web server, potentially leading to full compromise of confidentiality, integrity, and availability.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-70356 in Toptech Systems TMS7 version 7.6.3 is due to improper validation of uploaded files at the server side (CWE-434). The file upload endpoint fails to restrict file types, enabling an attacker with high privileges to upload malicious PHP files and execute them on the server. This results in a critical security risk with a CVSS 3.1 base score of 9.1, indicating network attack vector, low attack complexity, required high privileges, no user interaction, and complete impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an attacker with high privileges to upload and execute arbitrary PHP code on the web server, leading to full compromise of the system's confidentiality, integrity, and availability. This can result in unauthorized access, data theft, data manipulation, and service disruption.
Mitigation Recommendations
No patch or official fix information is currently provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the file upload functionality to trusted users only and monitor for suspicious activity related to file uploads.
CVE-2026-70356: CWE-434 in Toptech Systems TMS7
Description
CVE-2026-70356 is a critical vulnerability in Toptech Systems TMS7 version 7.6.3 where the file upload endpoint does not enforce server-side file type restrictions. This flaw allows an attacker with high privileges to upload and execute arbitrary PHP files on the web server, potentially leading to full compromise of confidentiality, integrity, and availability.
CVSS v3.1
Score 9.1critical
Affected software
Toptech Systems
TMS7
Toptech Systems
TopHAT
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-70356 in Toptech Systems TMS7 version 7.6.3 is due to improper validation of uploaded files at the server side (CWE-434). The file upload endpoint fails to restrict file types, enabling an attacker with high privileges to upload malicious PHP files and execute them on the server. This results in a critical security risk with a CVSS 3.1 base score of 9.1, indicating network attack vector, low attack complexity, required high privileges, no user interaction, and complete impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an attacker with high privileges to upload and execute arbitrary PHP code on the web server, leading to full compromise of the system's confidentiality, integrity, and availability. This can result in unauthorized access, data theft, data manipulation, and service disruption.
Mitigation Recommendations
No patch or official fix information is currently provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the file upload functionality to trusted users only and monitor for suspicious activity related to file uploads.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-08-10T17:31:09.982Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abc2fb4680226ef6851203e
Added to database: 09/29/2026, 21:37:56 UTC
Last enriched: 09/29/2026, 21:51:20 UTC
Last updated: 09/29/2026, 22:55:55 UTC
Views: 5
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