---
title: "CVE-2026-95588: AcyMailing SMTP Newsletter - Arbitrary File Deletion"
description: "AcyMailing SMTP Newsletter <= 11.0.5 contains an arbitrary file deletion vulnerability caused by improper input validation, letting unauthenticated attackers delete files remotely, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-95588/
---

# CVE-2026-95588 AcyMailing SMTP Newsletter - Arbitrary File Deletion

AcyMailing SMTP Newsletter <= 11.0.5 contains an arbitrary file deletion vulnerability caused by improper input validation, letting unauthenticated attackers delete files remotely, exploit requires no authentication.

CVSS base score 8.6 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-95588)

## Details

Type

Arbitrary File Deletion

Impact

Denial Of Service, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Published

1 October 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to the latest version beyond 11.0.5.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-95588](https://nvd.nist.gov/vuln/detail/CVE-2026-95588)
- [https://patchstack.com/database/wordpress/plugin/acymailing/vulnerability/wordpress-acymailing-smtp-newsletter-plugin-11-0-5-arbitrary-file-deletion-vulnerability?\_s\_id=cve](https://patchstack.com/database/wordpress/plugin/acymailing/vulnerability/wordpress-acymailing-smtp-newsletter-plugin-11-0-5-arbitrary-file-deletion-vulnerability?_s_id=cve)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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