CVE-2025-27240 Secondary-order SQL injection in Zabbix Server when deleting an autoregistered host
A Zabbix administrator can inject arbitrary SQL via the Visible name field during host autoremoval, potentially compromising database integrity.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-27240?
CVE-2025-27240 is a high-severity SQL injection vulnerability in Zabbix Zabbix, published on 12 Sep 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A Zabbix adminitrator can inject arbitrary SQL during the autoremoval of hosts by inserting malicious SQL in the 'Visible name' field.
Weakness: CWE-89
Which versions are affected by CVE-2025-27240?
It affects 1 product.
Products include Zabbix Zabbix.
How do I fix CVE-2025-27240?
Apply the vendor's patch.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2025-27240 being exploited?
There is no known exploitation of CVE-2025-27240 in the wild and no public exploit code.
Other vulnerabilities in Zabbix Zabbix
Sources
Also known as DEBIAN-CVE-2025-27240, GHSA-pvp6-r25h-5wh3, UBUNTU-CVE-2025-27240.