VulnSocial

CVE-2026-2043Disclosure(nagios / nagios_xi)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Nagios Host esensors_websensor_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 esensors_websensor_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-28249.

nagios CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-78

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • nagios_xi

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-02-20); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
nagios
Products
nagios_xi

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-02-20: 1Mentions · 2026-02-24: 1Technical Details · 2026-02-20: 1Technical Details · 2026-02-24: 102-2002-24
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • The Hacker Wire@TheHackerWire
    Disclosure

    🟠 CVE-2026-2043 - High Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected install... https://www.thehackerwire.com/vulnerability/CVE-2026-2043/ https://t.co/M7Feo7ayAB

    Post summary

    The post announces a high‑severity command injection vulnerability in Nagios Host esensors_websensor_configwizard_func that permits remote code execution, with no mention of PoC, exploit, or patch.

    0000051
    113 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-2043 Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary … https://www.cve.org/CVERecord?id=CVE-2026-2043

    Post summary

    CVE-2026-2043, a command injection vulnerability in Nagios Host, is disclosed, enabling remote code execution; no PoC, exploit, patch, or active exploitation details are provided.

    0000075
    56.4K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appnagiosnagios_xi2026--

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