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OpenAdvisories
High · 8.5 CVE-2026-45414 EUVD-2026-54230GHSA-r3v7-5x4c-c69q

Decidim: JWT-backed authentication can be replayed across organizations

Published Aug 6, 2026 · Updated Aug 7, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
decidim decidim < 0.31.5, >= 0.32.0.rc1, < 0.32.0.rc2 —

Affected packages

EcosystemPackageAffectedFixedRecord
RubyGems decidim < 0.31.5 0.31.5 GHSA-r3v7-5x4c-c69q
RubyGems decidim >= 0.32.0.rc1, < 0.32.0 0.32.0 GHSA-r3v7-5x4c-c69q

References