{"id":"CVE-2026-2041","published":"2026-02-20T22:22:18Z","modified":"2026-02-26T14:44:12Z","title":"Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability","vendor":"Nagios","product":"Host","tier":"core","eol":null,"affectedVersions":[{"vendor":"Nagios","product":"Host","versions":["2026R1"]}],"description":{"text":"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.\n\nThe 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.","provenance":"source","from":"CVE.org"},"summary":{"text":"The Nagios Host product contains a command injection flaw in its zabbixagent_configwizard_func method, caused by failing to validate a user-supplied string before it is used in a system call. An attacker with network access who has authenticated to the affected installation, which is required, can execute arbitrary code in the context of the service account.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:16:09Z"},"cvss":{"score":7.2,"severity":"HIGH","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.75586,"percentile":0.99518,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":1,"pulses":[{"name":"Known_Cve | Mar 1, 2026","url":"https://otx.alienvault.com/pulse/69a37f26f98d70830ee771e3","created":"2026-02-28"}],"provenance":"machine"},"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-073/","tags":["x_research-advisory"]},{"url":"https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/","tags":["vendor-advisory"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-7769","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-7769","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-02-20","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2026-2041","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":25.6,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.9,"detail":"percentile 0.9952"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.68,"detail":"1 pulse"},{"name":"CVSS severity","points":5.04,"detail":"base score 7.2"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}