Nagios Core
12 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Nagios Core, a product in the enterprise software space. Use it to gauge the current risk picture and drill into individual advisories.
Nagios Core CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 7 |
| 2026-09 | 0 |
Severity
How the 12 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- High5
- Medium7
Latest CVEs
The 12 most recently published vulnerabilities affecting Nagios Core.
- CVE-2026-48549Nagios Core / XI CSRF via cmd.cgi Double-Submit Cookie6.5
- CVE-2026-48548Nagios Core CSRF via cmd.cgi6.5
- CVE-2026-48554Nagios Core / XI Authenticated RCE via Unfiltered NOTIFICATION-Family Macro Substitution7.5
- CVE-2026-48553Nagios Core / XI Authenticated RCE via Custom-Variable Macro Injection7.5
- CVE-2026-48552Nagios Core / XI DOM-based XSS via jsonquery.js5.4
- CVE-2026-48551Nagios Core / XI CSRF Protection Bypass via Double-Submit Cookie7.4
- CVE-2026-48550Nagios Core / XI cmd.cgi Reflected XSS via NagFormId Parameter6.1
- CVE-2020-35269Nagios Core application version 4.2.4 is vulnerable to Site-Wide Cross-Site Request Forgery (CSRF) in many functions, like adding – deleting for hosts or servers.8.8
- CVE-2018-18245Nagios Core 4.4.2 has XSS via the alert summary reports of plugin results, as demonstrated by a SCRIPT element delivered by a modified check_load plugin to NRPE.5.4
- CVE-2018-13458qh_core in Nagios Core 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attackers to cause a local denial-of-service condition by sending a crafted payload to th...5.5
- CVE-2018-13457qh_echo in Nagios Core 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attackers to cause a local denial-of-service condition by sending a crafted payload to th...5.5
- CVE-2017-14312Nagios Core through 4.3.4 initially executes /usr/sbin/nagios as root but supports configuration options in which this file is owned by a non-root account (and similarly can have nagios.cfg owned b...7.8
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