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High · 7.6 Public exploit CVE-2025-41090 EUVD-2025-36443GHSA-85qv-cf4w-f5mj

Improper Access Control in CCN-CERT microCLAUDIA

Published Oct 28, 2025 · Updated Oct 28, 2025 · Assigned by INCIBE

Vendor: CCN-CERT Product: microCLAUDIA

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.

Affected products

VendorProductAffectedFixed
CCN-CERT microCLAUDIA 3.2.0 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • TheMalwareGuardian/brokeCLAUDIA ★ 3 · May 4, 2025

    CVE-2025-41090 (brokeCLAUDIA): Broken access control in microCLAUDIA, the anti-ransomware platform by CCN-CERT.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References