CVE-2026-45414

High

Description

Decidim is a participatory democracy framework. Prior to 0.31.5 and in 0.32.0.rc1 before 0.32.0.rc2, JWT-backed API authentication is not bound to the organization selected by the current host, allowing a JWT issued for one tenant to be replayed against another tenant’s API to read participantDetails data and reach the proposal.answer mutation path. This issue is fixed in versions 0.31.5 and 0.32.0.rc2.

SeverityHigh

CVSS8.5

Exploit probability—

ProductDecidim

PublishedAug 6, 2026

First seenAug 6, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key CWE-863Incorrect authorization

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
decidim decidim	< 0.31.5, >= 0.32.0.rc1, < 0.32.0.rc2	—

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