Description
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.
Published: 2026-09-23
Score: 5 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Wed, 23 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat ansible Automation Platform Developer
Redhat ansible Automation Platform Inside
CPEs cpe:/a:redhat:ansible_automation_platform:2.6::el10
cpe:/a:redhat:ansible_automation_platform:2.6::el9
cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10
cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9
cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9
Vendors & Products Redhat ansible Automation Platform Developer
Redhat ansible Automation Platform Inside
References

Wed, 23 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Automation-controller: automation-controller-container: automation-controller: named-url 404 body oracle enables cross-tenant resource name enumeration
First Time appeared Redhat
Redhat ansible Automation Platform
Weaknesses CWE-204
CPEs cpe:/a:redhat:ansible_automation_platform:2
Vendors & Products Redhat
Redhat ansible Automation Platform
References
Metrics cvssV3_1

{'score': 5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N'}


Subscriptions

Redhat Ansible Automation Platform Ansible Automation Platform Developer Ansible Automation Platform Inside
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-23T22:10:44.440Z

Reserved: 2026-08-06T19:31:51.452Z

Link: CVE-2026-71458

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-23T19:19:01.477

Modified: 2026-09-23T20:17:13.717

Link: CVE-2026-71458

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-23T19:30:08Z

Weaknesses
  • CWE-204

    Observable Response Discrepancy