CVE-2026-95588 WordPress AcyMailing SMTP Newsletter plugin <= 11.0.5 - Arbitrary File Deletion vulnerability

High 8.6 Published Updated

Unauthenticated attackers can delete arbitrary files on the server via path traversal in the AcyMailing SMTP Newsletter plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-95588?

CVE-2026-95588 is a high-severity path traversal vulnerability in AcyMailing SMTP Newsletter, published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated Arbitrary File Deletion in AcyMailing SMTP Newsletter <= 11.0.5 versions.

Weakness: CWE-22

Which versions are affected by CVE-2026-95588?

How do I fix CVE-2026-95588?

No fix has been published for CVE-2026-95588 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-95588 being exploited?

There is no known exploitation of CVE-2026-95588 in the wild and no public exploit code.

Sources

Also known as GHSA-5c39-cf48-rvg8.

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