CVE-2026-71458

URLModificationMiddleware resolves named-URL lookups against unfiltered Model.objects before RBAC. The 403→404 shim only rewrites 403 responses, leaving the pk=0 miss path with a different 404 detail string. Differential "Not found." vs "No <Model> matches..." reveals whether a named resource (org, credential, inventory, host) exists anywhere on the platform. Enables cross-tenant internal hostname enumeration.

Score
CVSS 3.1 5.0 Medium
Status
Awaiting Analysis - secalert@redhat.com
Published
2026-09-23
Last modified
2026-10-16
Weaknesses
CWE-204

Affected products

References

 
 
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