EUVD Vulnerability Catalog

EUVD-2026-87772

Severity: CRITICAL Base Score: 9.5 CVSS Version: 4.0

Vulnerability Description

Joomla Extension - acymailing.com - Remote Code Execution vulnerability in mailbox action feature in AcyMailing Enterprise extension < 11.1.0 - MIME parts of incoming emails were saved to media/com_acym/upload/ with no extension check, so anyone who could email the monitored mailbox could write a PHP file into the web root.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Attack Requirements (AT): Present

▪ Privileges Required (PR): None

▪ User Interaction (UI): None

▪ Vulnerability Confidentiality Impact (VC): High

▪ Vulnerability Integrity Impact (VI): High

▪ Vulnerability Availability Impact (VA): High

▪ Subsequent Confidentiality Impact (SC): High

▪ Subsequent Integrity Impact (SI): High

▪ Subsequent Availability Impact (SA): High

Affected Vendors & Systems

Vendor acymailing.com

References & Advisory Links

https://www.acymailing.com/

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

Joomla

EPSS Probability

0.55

Known Aliases

CVE-2026-94132 GHSA-x2ch-94w5-cr2g

Published On

2026-09-26

Last Updated

2026-09-29