CVE-2026-14453
Stored SSTI in Centreon open-tickets module allows authenticated remote code execution.
Is CVE-2026-14453 being exploited?
Not confirmed. CVE-2026-14453 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.84% probability of exploitation in the next 30 days.
How severe is CVE-2026-14453?
CVE-2026-14453 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-14453?
Not known from our data. No patch reference has been recorded for CVE-2026-14453, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-14453 affect?
CVE-2026-14453 affects Centreon centreon-open-tickets module, Centreon Infrastructure Monitoring instances. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14453?
Apply vendor patch; if unavailable, disable module and restrict access to admins.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated Server-Side Template Injection enables remote code execution, disclosure of environment secrets, and potential service disruption.
Immediate action required
- affected>= 24.10.0 and < 24.10.14
- affected>= 25.10.0 and < 25.10.9
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.