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CVE-2026-61663— django CMS: Missing authorization in `render_object_structure` discloses non-PageContent placeholder structure to low-privileged staff

Quick assessment

Affected
django-cms django-cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Django CMS Association django CMS是Django CMS Association组织的一个内容管理系统。 Django CMS Association django CMS 5.0.9之前版本存在授权问题漏洞，该漏洞源于render_object_structure对使用PlaceholderRelationField的非PageContent对象授权不当，可能导致已激活的员工用户通过猜测content_type_id和object_id值请求端点，泄露占位符槽名称、插件树

CVSS 4.3 · Medium EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
django-cms django-cms < 5.0.9 affected
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I. Basic Information for CVE-2026-61663

Vulnerability Information
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Vulnerability Title
django CMS: Missing authorization in `render_object_structure` discloses non-PageContent placeholder structure to low-privileged staff
Source: CVE Program / CVE List V5
Vulnerability Description
django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.9, render_object_structure fails to authorize non-PageContent objects that use PlaceholderRelationField. An active staff user without cms.use_structure or model-level view or change permission can request the //admin/cms/placeholder/object/<content_type_id>/structure/<object_id>/ endpoint with guessed content_type_id and object_id values. The response discloses placeholder slot names, plugin trees, plugin identifiers, labels, and object existence for frontend-editable objects. The fix applies user_can_view_placeholder_source to the non-PageContent branch while keeping the structure board read-only for view-only users. This issue is fixed in versions 5.0.9.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Django CMS Association django CMS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Django CMS Association django CMS是Django CMS Association组织的一个内容管理系统。 Django CMS Association django CMS 5.0.9之前版本存在授权问题漏洞，该漏洞源于render_object_structure对使用PlaceholderRelationField的非PageContent对象授权不当，可能导致已激活的员工用户通过猜测content_type_id和object_id值请求端点，泄露占位符槽名称、插件树
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
django-cms django-cms < 5.0.9 -

II. Public POCs for CVE-2026-61663

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III. Intelligence Information for CVE-2026-61663

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Patches & Fixes for CVE-2026-61663 (2)

Vendor Advisories for CVE-2026-61663 (1)

Vendor Pages for CVE-2026-61663 (1)

Same Patch Batch · django-cms · 2026-08-20 · 7 CVEs total

CVE-2026-54623 7.1 HIGH django CMS: Plugin move endpoint allows cyclic reparenting (DoS)
CVE-2026-54622 6.5 MEDIUM django CMS: Clipboard copy IDOR discloses unauthorized plugin content
CVE-2026-54624 6.5 MEDIUM django CMS: Structure endpoint bypasses page-view permission
CVE-2026-63003 6.5 MEDIUM django CMS: Broken access control in page *Duplicate* allows reading the content of any pa
CVE-2026-54625 4.8 MEDIUM django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)
CVE-2026-75526 4.4 MEDIUM django CMS: Stored XSS in edit-mode plugin exception rendering

IV. Related Vulnerabilities

Same product: django-cms
Same vendor: django-cms
Same weakness: CWE-639

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