#VU123082 Arbitrary file upload in midi-Synth - CVE-2026-1306

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Main Vulnerability Database Vulnerabilities #VU123082

#VU123082 Arbitrary file upload in midi-Synth - CVE-2026-1306

Published: February 19, 2026


Vulnerability identifier: #VU123082
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-1306
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
midi-Synth
Software vendor:
Oleg Klenitskiy

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the "export" AJAX action. A remote attacker can upload a malicious file and execute it on the server.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links