What’s Vulnerable › Vulnerabilities

CVE-2016-15050: Nagios XI < 5.2.4 SQL Injection in Notification Search

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-30 · updated 2026-10-18
• Weakness: CWE-89

Description

Nagios XI versions prior to 5.2.4 contain a SQL injection vulnerability in the notification search functionality. User-supplied search parameters were incorporated into SQL statements without adequate parameterization or sanitation, allowing an authenticated user to manipulate database queries. Successful exploitation could disclose or modify notification data and, in some cases, impact the application database more broadly.

Affected products

• Nagios XI: before 5.2.4 — fixed in 5.2.4

How to fix

Upgrade to a fixed version: Nagios XI 5.2.4. Check the vendor advisory for mitigations.

References

• https://www.nagios.com/changelog/nagios-xi/
• https://www.vulncheck.com/advisories/nagios-xi-sqli-in-notification-search

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