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Centreon CVE-2026-2749

CRITICAL
Path Traversal (CWE-22)
2026-02-27 bd4443e6-1eef-43f3-9886-25fc9ceeaae7
9.9
CVSS 3.1 · NVD
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as low-privileged Centreon user
  2. Exploit
    Submit crafted path traversal payload
  3. Execution
    Access arbitrary files outside Open Tickets directory
  4. Impact
    Execute code or extract sensitive data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Centreon Open Tickets module on Central Server versions before 25.10.3, 24.10.8, or 24.04.7. Authenticated user account with any privilege level required (PR:L). Centreon Open Tickets must be installed and enabled on the Central Server.

Impact

CVSS 9.9. Centreon is a widely-used IT monitoring platform — filesystem access compromises monitoring infrastructure and potentially monitored systems' credentials.

Exploit ScenarioDerived

Authenticated Centreon user exploits path traversal to read database credentials, SNMP community strings, or SSH keys stored in Centreon's configuration.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Path traversal in Centreon Open Tickets module allows authenticated attackers to read or write files outside intended directories. CVSS 9.9 with scope change indicates impact beyond the vulnerable component.

Earlier versions of this analysis (1)
v1 Mar 12, 2026 - 21:55 CVSS 9.9

Path traversal in Centreon Open Tickets module.

RemediationAI

Update Centreon Open Tickets module. Review filesystem permissions for Centreon service account.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

CWE-22 in Centreon Open Tickets. Authenticated users can traverse the filesystem through the ticketing module, with scope change indicating potential impact on the underlying Centreon server.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.9 CRITICAL
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Vulnerability in Centreon Centreon Open Tickets on Central Server on Linux (Centroen Open Ticket modules).This issue affects Centreon Open Tickets on Central Server: from all before 25.10.3, 24.10.8, 24.04.7.

Executive ViewAI

Why It Matters

A critical vulnerability (CVSS 9.9) in Centreon Open Tickets allows unauthorized access and potential system compromise on affected Central Servers running versions before 25.10.3, 24.10.8, or 24.04.7. Organizations using Centreon for infrastructure monitoring face immediate risk of data breach, service disruption, and loss of operational visibility if this vulnerability is exploited.

Business Impact: Severe
Compensating Controls
  1. Restrict network access to Centreon Central Server to only authorized administrative systems using firewall rules; 2) Disable the Open Tickets module if not actively used; 3) Implement Web Application Firewall (WAF) rules to block malicious requests to vulnerable endpoints; 4) Monitor logs for suspicious access patterns to the ticket module; 5) Enforce strong authentication (MFA) for all Centreon administrative access; 6) Maintain offline backups of critical monitoring configurations.

Threat Intelligence Overview

EPSS Score
0.0%
Top 92% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Very High

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +50
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)CVE.org

cpe:2.3:a:centreon:open_tickets:*:*:*:*:*:*:*:*
cpe:2.3:a:centreon:open_tickets:*:*:*:*:*:*:*:*
cpe:2.3:a:centreon:open_tickets:*:*:*:*:*:*:*:*
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