Nagios XI zabbixagent_configwizard_func command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Nagios XI. Affected by this issue is the function zabbixagent_configwizard_func. Performing a manipulation results in command injection. This vulnerability is known as CVE-2026-2041. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nagios XI (affected version unknown). It has been classified as critical. This affects the function zabbixagent_configwizard_func. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Nagios Host. Authentication is required to exploit this vulnerability. The specific flaw exists within the zabbixagent_configwizard_func method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-28250.

The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2026-2041. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation requires an enhanced level of successful authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 299396 (Nagios XI < 2026R1.0.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at nagios.com.

The vulnerability is also documented in the databases at Tenable (299396) and CERT Bund (WID-SEC-2026-0406). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Nagios Enterprises Nagios XI

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 299396
Nessus Name: Nagios XI < 2026R1.0.1 Multiple Vulnerabilities

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: nagios.com

Timelineinfo

02/13/2026 Advisory disclosed
02/13/2026 +0 days VulDB entry created
02/22/2026 +9 days VulDB entry last update

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2026-2041 (🔒)
GCVE (CVE): GCVE-0-2026-2041
GCVE (VulDB): GCVE-100-345885
CERT Bund: WID-SEC-2026-0406 - Nagios Enterprises Nagios XI: Mehrere Schwachstellen erm&ouml;glichen Codeausf&uuml;hrung

Entryinfo

Created: 02/13/2026 08:09
Updated: 02/22/2026 22:10
Changes: 02/13/2026 08:09 (52), 02/13/2026 10:08 (7), 02/20/2026 04:21 (2), 02/22/2026 22:10 (11)
Complete: 🔍
Cache ID: 216::103

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