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CVE-2026-45330— Decidim: Verification admins can access supplied IDs from other organisations

CVSS 4.9 · Medium EPSS 0.28% · P20

Possible ATT&CK Techniques 1AI

T1078.004 · Cloud Accounts

Affected Version Matrix 3

VendorProductVersion RangeStatus
decidimdecidim< 0.30.9affected
>= 0.31.0, < 0.31.5affected
>= 0.32.0.rc1, < 0.32.0.rc2affected
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I. Basic Information for CVE-2026-45330

Vulnerability Information
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Vulnerability Title
Decidim: Verification admins can access supplied IDs from other organisations
Source: CVE Program / CVE List V5
Vulnerability Description
Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the identity-document verification admin controllers load pending Authorization records by raw identifier without confirming current_organization ownership, allowing an administrator from one tenant to view, approve, or reject another tenant’s ID-document request. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/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
Decidim 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Decidim是Decidim组织开源的一个参与式民主框架,用 Ruby on Rails 编写。 Decidim 0.30.9之前版本、0.31.0至0.31.5之前版本和0.32.0.rc1至0.32.0.rc2之前版本存在授权问题漏洞，该漏洞源于身份文档验证管理控制器通过原始标识符加载待处理授权记录，未确认当前组织所有权，可能导致一个租户的管理员查看、批准或拒绝另一个租户的ID文档请求。
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

VendorProductAffected VersionsCPESubscribe
decidimdecidim < 0.30.9 -

II. Public POCs for CVE-2026-45330

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III. Intelligence Information for CVE-2026-45330

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Vendor Advisories for CVE-2026-45330 (1)

Vendor Pages for CVE-2026-45330 (3)

Same Patch Batch · decidim · 2026-07-31 · 4 CVEs total

CVE-2026-453776.5 MEDIUMDecidim: Private exports can be downloaded through reusable links
CVE-2026-453765.5 MEDIUMDecidim: Admin user search allows SQL injection through similarity-based sorting
CVE-2026-450865.4 MEDIUMDecidim: Forms admin question editor lacks authorization

IV. Related Vulnerabilities

Same product: decidim
Same vendor: decidim
Same weakness: CWE-639

V. Comments for CVE-2026-45330

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