Auth bypass in Ccn-Cert Microclaudia

CVE-2025-41090

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.

Vulnerability class: Broken Authentication

Published · last modified .

EPSS exploit prediction

EPSS: 0.003 (25.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-41090: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-41090?
CVE-2025-41090 is a vulnerability in Ccn-Cert Microclaudia, classified under Missing Authentication for Critical Function. Published 2025-10-28.
Is CVE-2025-41090 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.