CVE-2025-27238 API hostprototype.get lists data to users with insufficient authorization.

Low 2.1 Published 12 Sep 2025 Updated 15 Sep 2025

Attackers with unassigned user groups can list all host prototypes via the API due to insufficient authorization checks.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2025-27238?

CVE-2025-27238 is a low-severity missing authorization vulnerability in Zabbix Zabbix, published on 12 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Due to a bug in Zabbix API, the hostprototype.get method lists all host prototypes to users that do not have any user groups assigned to them.

Weakness: CWE-284

Which versions are affected by CVE-2025-27238?

It affects 1 product.

Products include Zabbix Zabbix.

How do I fix CVE-2025-27238?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-27238 being exploited?

There is no known exploitation of CVE-2025-27238 in the wild and no public exploit code.

All Zabbix Zabbix vulnerabilities

Sources

Also known as DEBIAN-CVE-2025-27238, GHSA-8m2h-w74v-v385, UBUNTU-CVE-2025-27238.