# CVE-2026-94131: Joomla Extension - acymailing.com - Unauthenticated arbitrary file deletion in AcyMailing Enterprise extension < 11.1.0

> Unauthenticated attackers can delete arbitrary files, including configuration files, via path traversal in AcyMailing Enterprise extension.

- **Severity:** High 8.3 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Sep 2026
- **Updated:** 29 Sep 2026
- **Also known as:** GHSA-657v-94xx-8q7f

## What is CVE-2026-94131?

CVE-2026-94131 is a high-severity path traversal vulnerability in acymailing.com AcyMailing extension for Joomla, published on 26 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Joomla Extension - acymailing.com - Unauthenticated arbitrary file deletion in AcyMailing Enterprise extension < 11.1.0 - A subscriber could store a path in a file-type custom field and have AcyMailing delete that file when the field was cleared, including files outside the upload folder such as configuration.php.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2026-94131?

It affects 1 product.


Products: Acymailing Acymailing.

## How do I fix CVE-2026-94131?

No fix has been published for CVE-2026-94131 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-94131 being exploited?

There is no known exploitation of CVE-2026-94131 in the wild and no public exploit code.

## Other vulnerabilities in acymailing.com AcyMailing extension for Joomla

- [CVE-2023-28731](https://insights.sbomify.com/CVE-2023-28731/): Unauthenticated RCE affecting the AcyMailing plugin for Joomla (critical 9.8)
- [CVE-2026-94132](https://insights.sbomify.com/CVE-2026-94132/): File upload in AcyMailing Enterprise extension for Joomla (critical 9.5)
- [CVE-2026-56292](https://insights.sbomify.com/CVE-2026-56292/): Joomla Extension - acymailing.com - SQL Injection in AcyMailing extension < 10.11.1 (critical 9.2)
- [CVE-2024-7384](https://insights.sbomify.com/CVE-2024-7384/): AcyMailing <= 9.7.2 - Authenticated (Subscriber+) Arbitrary File Upload via acym_extractArchive Function (high 7.5)
- [CVE-2023-28733](https://insights.sbomify.com/CVE-2023-28733/): Stored XSS affecting the AcyMailing plugin for Joomla (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-94131 and fix it if it is affected.

What it is: CVE-2026-94131 is a high-severity path traversal vulnerability in acymailing.com AcyMailing extension for Joomla, published on 26 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-94131 in the wild and no public exploit code.

Affected product: acymailing.com AcyMailing extension for Joomla. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-94131/ (Markdown: https://insights.sbomify.com/CVE-2026-94131/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-94131
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-94131
- OSV: https://osv.dev/vulnerability/CVE-2026-94131

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-94131/
Summaries are generated and may contain mistakes; the official description above is the record.