Decidim up to 0.30.8/0.31.4/0.31.x Identity-Document Verification Admin Controllers improper authorization

Summaryinfo

A vulnerability was found in Decidim up to 0.30.8/0.31.4/0.31.x and classified as problematic. This issue affects some unknown processing of the component Identity-Document Verification Admin Controllers. The manipulation results in improper authorization. This vulnerability was named CVE-2026-45330. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Decidim up to 0.30.8/0.31.4/0.31.x. Affected is an unknown code of the component Identity-Document Verification Admin Controllers. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-45330 since 05/11/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading to version 0.30.9, 0.31.5 or 0.32.0.rc2 eliminates this vulnerability.

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Productinfo

Name

• Decidim

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.30.0
• 0.30.1
• 0.30.2
• 0.30.3
• 0.30.4
• 0.30.5
• 0.30.6
• 0.30.7
• 0.30.8
• 0.31
• 0.31.0
• 0.31.1
• 0.31.2
• 0.31.3
• 0.31.4

Website

• Product: https://github.com/decidim/decidim/

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