Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-5138

A flaw was found in Foreman. An authenticated user with host-edit permissions could exploit a cross-tenant information disclosure vulnerability. This flaw occurs because the taxonomy_scope controller method does not properly validate organization and location IDs from nested request parameters, bypassing existing authorization checks. This allows the user to leak sensitive infrastructure metadata, including subnet topology, IP ranges, gateways, DNS servers, and VLAN IDs, from organizations and locations they are not authorized to access.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 13.9%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-5138


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