CVE-2026-94132: Joomla Extension - acymailing.com - Remote Code Execution vulnerability in mailbox action feature in AcyMailin

Q: How do I fix CVE-2026-94132?

acymailing: upgrade to 11.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-94132 being exploited?

CVE-2026-94132 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-94132 affect?

CVE-2026-94132 affects acymailing. Severity is high (CVSS 8.1). 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 a

Routine

HIGH 8.1UPGRADE

CVE-2026-94132 is a high-severity flaw (CVSS 8.1) affecting acymailing. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-09-26
Last modified	2026-10-20

Publisher (CNA): Joomla! Project · Vendor: acymailing

Last updated 2026-10-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-26 15:16 UTCPublished CVE record published
2026-10-20 20:25 UTCUpdated Record last modified

acymailing acymailing UPGRADE

Affected: < 11.1.0

Fixed in: 11.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy acymailing || rpm -q acymailing || acymailing --version

2. UPGRADE to 11.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade acymailing

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade acymailing

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-94132?

acymailing: upgrade to 11.1.0. Exact commands for each OS are on this page.

Is CVE-2026-94132 being exploited?

CVE-2026-94132 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-94132 affect?

CVE-2026-94132 affects acymailing. Severity is high (CVSS 8.1). 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 a

How urgent is CVE-2026-94132?

Priority 38/100. High severity

Software pages

Joomla vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2026-56292 HIGH 7.5 UPGRADE Joomla Extension - acymailing.com - SQL Injection in AcyMailing extension < 10.11.1 - A SQLi vulnerability in
CVE-2026-94131 HIGH 8.1 UPGRADE Joomla Extension - acymailing.com - Unauthenticated arbitrary file deletion in AcyMailing Enterprise extension

References

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