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TI-2026-12217 Aliases CVE-2026-14453GHSA-623j-mjcm-f442

A user with low privileges can inject SSTI templates that can lead to RCE in open-tickets

Priority MEDIUM 44CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00837 57th percentileScored 2026-11-07
Fix Fixed Infra Monitoring (Centreon): 24.10.14, 25.10.9

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CentreonInfra Monitoring24.10.0 to before 24.10.14; 25.10.0 to before 25.10.924.10.14, 25.10.9Patch availableCNA
  • Infra Monitoring VendorCentreon Affected 24.10.0 to before 24.10.14; 25.10.0 to before 25.10.9 Fixed in 24.10.14, 25.10.9 Patch available CNA

Remediation

  • Fix · CNA Infra Monitoring (Centreon) Fixed in 24.10.14, 25.10.9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-14453
  2. 2026-10-03 Alias added: GHSA-623j-mjcm-f442

References

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Sources