Vulnerability · Published Oct 30, 2025 · Assigned by VulnCheck
CVE-2025-34283Nagios XI < 2024R1.4.2 API Key Disclosure via Neptune Themes
High 7.1
In plain English
A high-severity security flaw in XI from Nagios. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 4.0)7.1High
Exploit odds (30 days)1.0%top 35.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Nagios XI versions prior to 2024R1.4.2 revealed API keys to users who were not authorized for API access when using Neptune themes. An authenticated user without API privileges could view another user's or their own API key value.
Affected products (as reported)
Weakness: CWE-497 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References
- https://www.nagios.com/products/security/#nagios-xi vendor-advisory, patch
- https://www.nagios.com/changelog/nagios-xi/ release-notes, patch
- https://www.vulncheck.com/advisories/nagios-xi-api-key-disclosure-via-neptune-themes third-party-advisory