CVE-2026-48551: Cross-Site Request Forgery (CSRF) in Nagios Enterprises, LLC. Nagios Core
Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass via a self-supplied double-submit cookie. An attacker can supply matching cookie and request parameter values to bypass CSRF protection, enabling unauthenticated attackers to run commands as authorized users via malicious links.
CVE-2026-48551: Cross-Site Request Forgery (CSRF) in Nagios Enterprises, LLC. Nagios Core
Description
Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass via a self-supplied double-submit cookie. An attacker can supply matching cookie and request parameter values to bypass CSRF protection, enabling unauthenticated attackers to run commands as authorized users via malicious links.
CVSS v4.0
Score 6.1medium
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-05-21T18:34:46.418Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7ca247bf8831d539d7ad4e
Added to database: 08/12/2026, 16:41:43 UTC
Last updated: 08/12/2026, 16:41:43 UTC
Views: 1
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