Decidim: Admin user search allows SQL injection through similarity-based sorting

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-45376
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-31 23:17:24 UTC
Updated2026-08-03 18:16:39 UTC
DescriptionDecidim 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 GET /admin/organization/users search interpolates params[:term] into raw Arel.sql ORDER BY similarity expressions before sanitization, allowing an authenticated organization administrator to execute blind PostgreSQL expressions and infer data through timing differences. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L

EPSS: 0.003410000 probability, percentile 0.267440000 (date 2026-08-05)

Problem Types: CWE-89 | CWE-89 CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
3.1CNADECLARED5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Decidim Decidim affected < 0.30.9 Not specified
CNA Decidim Decidim affected >= 0.31.0.rc1, < 0.31.5 Not specified
CNA Decidim Decidim affected >= 0.32.0.rc1, < 0.32.0 Not specified

References

ReferenceSourceLinkTags
github.com/decidim/decidim/releases/tag/v0.30.9 [email protected] github.com
github.com/decidim/decidim/releases/tag/v0.32.0.rc2 [email protected] github.com
github.com/decidim/decidim/security/advisories/GHSA-jvqq-cvh4-xm37 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/decidim/decidim/commit/27335957b363516e23919a9006812f1c458c88e0 [email protected] github.com
github.com/decidim/decidim/releases/tag/v0.31.5 [email protected] github.com
github.com/decidim/decidim/commit/e4d21b41fb462d9436035a043962a4090f2cc240 [email protected] github.com
github.com/decidim/decidim/commit/f3817fac448a4e3facd6bcb346167048b3421124 [email protected] github.com
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