{"apiVersion":"1.0","identifier":"CVE-2026-48551","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.","publishedAt":"2026-08-12T17:17:27","lastModifiedAt":"2026-08-13T17:17:22","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48551","cvssScore":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","epssProbability":0.00173,"riskScore":0.75,"affectedProduct":"Nagios Core","affectedVersions":"<4.5.14","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-48551","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-48551","en":"https://www.redsauce.net/en/cves/CVE-2026-48551","fr":"https://www.redsauce.net/fr/cves/CVE-2026-48551","pt":"https://www.redsauce.net/pt/cves/CVE-2026-48551","de":"https://www.redsauce.net/de/cves/CVE-2026-48551","sk":"https://www.redsauce.net/sk/cves/CVE-2026-48551","el":"https://www.redsauce.net/el/cves/CVE-2026-48551"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-48551"}}