HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-48551 — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site req...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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 Score: 7.4. Published: 2026-08-12T17:17:27.353.

Indicators of Compromise (1)

CVE (1)
CVE-2026-48551
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Aug 12, 2026. Verified by: NIST.

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