CVE-2026-30479 Code injection in n/a

Critical 9.1 Published Updated

Attackers can execute arbitrary code on MapServer via a crafted executable due to DLL injection, requiring an upgrade to secure the system.

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-2026-30479?

CVE-2026-30479 is a critical code injection vulnerability in n/a, published on 9 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Dynamic-link Library Injection vulnerability in OSGeo Project MapServer before v8.0 allows attackers to execute arbitrary code via a crafted executable.

Weakness: CWE-94

Which versions are affected by CVE-2026-30479?

How do I fix CVE-2026-30479?

No fix has been published for CVE-2026-30479 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-30479 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30479 exists.

Sources

Also known as GHSA-4mx6-xfr3-7q7g, UBUNTU-CVE-2026-30479.

Is CVE-2026-30479 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free