CVE-2026-45414

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...

CVE-2026-45414

Decidim CVE-2026-45414 describes a JWT binding flaw in multi-tenant deployments: a JWT issued for one organization can be replayed against another organization’s API to read participantDetails and access the proposal.answer mutation. Affected are pre-0.31.5 and 0.32.0.rc1 before 0.32.0.rc2; the i...

Decidim: JWT-backed authentication can be replayed across organizations

Description A JWT issued to an Org 1 account is accepted on the Org 2 API and can read the admin-only GraphQL participantDetails field for an Org 2 participant. The same trust-boundary problem also affects API-user authentication: an Org 1 API user can use a JWT on the Org 1 host and replay that...