Arbitrary file upload in JCE - CVE-2026-48907

 

Arbitrary file upload in JCE - CVE-2026-48907

Published: June 19, 2026


Vulnerability identifier: #VU134939
CSH Severity: Critical
CVSS v4.0: 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:A/U:Red
CVE-ID: CVE-2026-48907
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Widget Factory
Affected software:
JCE

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote non-authenticated attacker can upload a malicious PHP file and execute it on the server.

Note, the vulnerability is being actively exploited in the wild.


How to mitigate CVE-2026-48907

Install updates from vendor's website.

Sources