CVE-2026-14453 A user with low privileges can inject SSTI templates that can lead to RCE in open-tickets
Authenticated users can inject SSTI templates in Centreon Open Tickets to execute arbitrary code and read secrets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14453?
CVE-2026-14453 is a critical code injection vulnerability in Centreon Infra Monitoring, published on 13 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
This vulnerability is a critical Server-Side Template Injection (SSTI) in Centreon's centreon-open-tickets module that leads to Remote Code Execution. The message_confirm field is stored without sanitization and rendered via Smarty with no security policy enabled, allowing any authenticated user, to inject and execute arbitrary code on the server. This results in disclosure of environment secrets and could impact platform availability of Centreon Infra Monitoring product.
Weakness: CWE-94
Which versions are affected by CVE-2026-14453?
How do I fix CVE-2026-14453?
No fix has been published for CVE-2026-14453 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-2026-14453 being exploited?
There is no known exploitation of CVE-2026-14453 in the wild and no public exploit code.
Sources
Also known as GHSA-623j-mjcm-f442.