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Description

Nagios XI versions prior to 2024R1.2.2 contain a host header injection vulnerability. The application trusts the user-supplied HTTP Host header when constructing absolute URLs without sufficient validation. An unauthenticated, remote attacker can supply a crafted Host header to poison generated links or responses, which may facilitate phishing of credentials, account recovery link hijacking, and web cache poisoning.

PUBLISHED Reserved 2025-10-22 | Published 2025-10-30 | Updated 2025-10-31 | Assigner VulnCheck




HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-346 Origin Validation Error

Product status

Default status
unaffected

Any version before 2024R1.2.2
unknown

References

www.nagios.com/products/security/ vendor-advisory patch

www.nagios.com/changelog/nagios-xi/ release-notes patch

www.vulncheck.com/advisories/nagios-xi-host-header-injection third-party-advisory

cve.org (CVE-2024-14006)

nvd.nist.gov (CVE-2024-14006)

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