CVE-2026-62415 -- CVSS 9.1 Vulnerability Briefing

CVE-2026-62415 | CVSS 9.1 (Critical) | Exploit: No known exploit

What Is It

CVE-2026-62415 is an insecure default configuration vulnerability in Joomla Membership Pro versions earlier than 4.6.2 that exposes an unauthenticated file-upload attack surface.

Technical Detail

Membership Pro prior to version 4.6.2 allowed unauthenticated users to upload files by default. An attacker could submit files to the affected upload functionality without valid Joomla credentials. Depending on the server-side file validation, upload location, and web server configuration, successful exploitation could enable malicious file placement and potentially remote code execution.

Exploitation Status

No known exploit has been reported. CISA has not listed this vulnerability in its Known Exploited Vulnerabilities catalog as of July 28, 2026.

Who Is Targeting This

No specific threat actor attribution at this time.

What To Do

Upgrade Joomla Membership Pro to version 4.6.2 or a later vendor-supported release as a priority. Until the update is applied, restrict or disable public access to Membership Pro upload functions, require authentication for any necessary upload workflow, and ensure uploaded files cannot be executed by the web server. Review web server and application logs for unauthenticated upload requests, unexpected files in upload directories, and attempts to access uploaded script files. Organizations should also inspect affected hosts for unauthorized files and rotate credentials if evidence of compromise is identified.