PT-2026-7952 · Unknown · Nagios Host

Vladislav Berghici · Published 2026-02-12 · Updated 2026-02-24 · CVE-2026-2042

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Nagios Host (affected versions not specified)

Description A flaw exists within the monitoringwizard module that allows remote attackers to execute arbitrary code on affected installations of Nagios Host. Authentication is required for exploitation. The issue stems from insufficient validation of user-supplied input before it is used in a system call, potentially allowing an attacker to execute code within the context of the service account.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-2042

ZDI-26-071

Affected Products

Nagios Host

References · 8

• https://zerodayinitiative.com/advisories/ZDI-26-071 · Security Note
• https://nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2042 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2042 · Vendor Advisory
• https://t.me/cveNotify/152992 · Telegram Post
• https://twitter.com/TheHackerWire/status/2026373539700576412 · Twitter Post
• https://twitter.com/CVEnew/status/2024988730495578135 · Twitter Post
• https://t.me/CVEtracker/45320 · Telegram Post