CVE-2026-2043 in the critical feed json
Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability
published 2026-02-20 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-7770
- cvss
- 7.2
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 75.4%
- EPSS 75.4% chance of exploitation in 30 days, percentile 99.5%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 8 mo ago
Exploit prediction
75.42% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.2 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Nagios Host
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
nagios.com
/changelog/nagios-xi/nagios-xi-2026r1-0-1/
vendor-advisory, product, release-notes
-
zerodayinitiative.com
/advisories/ZDI-26-072/
third-party-advisory
Sources
- CVE List CVE-2026-2043
- NVD CVE-2026-2043
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.