CVE-2026-67919 Code injection in n/a

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code in Halo CMS via the plugin installation endpoint, requiring immediate upgrades.

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-2026-67919?

CVE-2026-67919 is a critical code injection vulnerability in n/a, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the PluginEndpoint.java, installFromUri method, and DefaultPluginApplicationContextFactory components

Weakness: CWE-94

Which versions are affected by CVE-2026-67919?

How do I fix CVE-2026-67919?

No fix has been published for CVE-2026-67919 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-2026-67919 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-67919 exists.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-34w2-p54f-fxmp.

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