Missing Authorization Affecting decidim-budgets package, versions >=0.19.0, <0.30.5>=0.31.0.rc1, <0.31.1
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- published15 Apr 2026
- disclosed14 Apr 2026
- creditUnknown
Introduced: 14 Apr 2026
NewCVE-2026-40869 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade decidim-budgets to version 0.30.5, 0.31.1 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization in the amendment acceptance flow. An attacker can gain unauthorized coauthorship and modify proposal outcomes by submitting amendment accept or reject actions without proper authorization checks.
Workaround
This vulnerability can be mitigated by disabling amendment reactions for the amendable component.