CVE-2026-14453
A user with low privileges can inject SSTI templates that can lead to RCE in open-tickets
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.
INFO
Published Date :
July 13, 2026, 9:16 a.m.
Last Modified :
July 13, 2026, 9:16 a.m.
Remotely Exploit :
Yes !
Source :
bd4443e6-1eef-43f3-9886-25fc9ceeaae7
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | bd4443e6-1eef-43f3-9886-25fc9ceeaae7 |
Solution
- Sanitize all user-supplied input.
- Enable security policies for template rendering.
- Update the centreon-open-tickets module.
- Restrict access for authenticated users.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-14453.
| URL | Resource |
|---|---|
| https://github.com/centreon/centreon/releases |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-14453 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-14453
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-14453 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-14453 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by bd4443e6-1eef-43f3-9886-25fc9ceeaae7
Jul. 13, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Centreon', 'product': 'Infra Monitoring', 'versions': [{'status': 'affected', 'version': '24.10.0', 'lessThan': '24.10.14', 'versionType': 'custom'}, {'status': 'affected', 'version': '25.10.0', 'lessThan': '25.10.9', 'versionType': 'custom'}], 'packageName': 'centreon-open-tickets', 'defaultStatus': 'affected'}] Added 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H Added CWE CWE-94 Added Reference https://github.com/centreon/centreon/releases