Remote PHP upload RCE in a popular Joomla extension (AcyMailing) enabling full site/server takeover; affects many Joomla sites and warrants broad IT notification.
CVE-2026-94132
Critical RCE in AcyMailing mailbox allows PHP upload via email
Is CVE-2026-94132 being exploited?
Not confirmed. CVE-2026-94132 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-94132?
CVE-2026-94132 is rated Critical with a CVSS score of 9.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-94132?
Yes. A fix has been recorded for CVE-2026-94132. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-94132 affect?
CVE-2026-94132 affects AcyMailing Enterprise extension <11.1.0, Joomla sites using AcyMailing mailbox feature. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-94132?
Upgrade AcyMailing to 11.1.0+ or disable mailbox monitoring until patched
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution: attacker can upload PHP to webroot via emailed MIME parts and execute arbitrary code, enabling site compromise.
Immediate action required
- affected1.0.0-11.0.5
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
public exploits
Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept
- murrez/CVE-2026-94132 · 1 ★
Listed so you can judge urgency, not as a recommendation to run anything. GitHub “proofs of concept” are unvetted: some are fake or carry malware. Exploit-DB marks the entries its staff verified.
cisa ssvc
- exploitation
- none
- automatable
- no
- technical impact
- total
Assessed by CISA 26 Sept 2026 (SSVC 2.0.3).
timeline
- 26 Sept 2026First proof-of-concept repository on GitHub (unvetted)
- 26 Sept 2026Published · 1 day later
- 26 Sept 2026CISA SSVC assessment: exploitation none · same day later
- 27 Sept 2026Analysed by vulneraibility.com · 1 day later
- 29 Sept 2026CVE record last updated · 2 days later
- Linkacymailing.com /
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- PoC-in-GitHub: GitHub repositories that claim a proof of concept
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.