CVE-2026-40870 Decidim's comments API allows access to all commentable resources

Decidim is a participatory democracy framework. Starting in version 0.0.1 and prior to versions 0.30.5 and 0.31.1, the root level commentable field in the API allows access to all commentable resources within the platform, without any permission checks. All Decidim instances are impacted that hav...

CVE-2026-40870

The CVE affects the Decidim framework: root-level commentable in the API (under /api) lets unauthenticated users access all commentable resources, bypassing permission checks. Affected versions are 0.0.1 up to but not including 0.30.5 and 0.31.1. The issue is fixed in 0.30.5 and 0.31.1. Mitigatio...

CVE-2026-40870 Decidim's comments API allows access to all commentable resources

Decidim is a participatory democracy framework. Starting in version 0.0.1 and prior to versions 0.30.5 and 0.31.1, the root level commentable field in the API allows access to all commentable resources within the platform, without any permission checks. All Decidim instances are impacted that hav...

Decidim 安全漏洞

Decidim is an open-source participatory democracy framework developed using Ruby on Rails. Versions of Decidim from 0.0.1 to 0.30.5 and 0.31.1 contained security vulnerabilities. These vulnerabilities stemmed from the lack of permission checks for the commentable fields in the API, which could...

CVE-2026-40870: Missing Authorization

Decidim is a participatory democracy framework. Starting in version 0.0.1 and prior to versions 0.30.5 and 0.31.1, the root level commentable field in the API allows access to all commentable resources within the platform, without any permission checks. All Decidim instances are impacted that hav...

Decidim 安全漏洞

Decidim is an open-source participatory democracy framework developed using Ruby on Rails. Versions of Decidim from 0.19.0 to 0.30.5 and 0.31.1 contained security vulnerabilities. These vulnerabilities stemmed from allowing any registered and authenticated user to accept or reject any amendment,...

PT-2026-34052

Decidim is a participatory democracy framework. Starting in version 0.0.1 and prior to versions 0.30.5 and 0.31.1, the root level commentable field in the API allows access to all commentable resources within the platform, without any permission checks. All Decidim instances are impacted that hav...

CVE-2026-40869: Incorrect Privilege Assignment

Decidim is a participatory democracy framework. Starting in version 0.19.0 and prior to versions 0.30.5 and 0.31.1, a vulnerability allows any registered and authenticated user to accept or reject any amendments. The impact is on any users who have created proposals where the amendments feature i...

Cross-site Scripting (XSS)

Decidim is vulnerable to Cross-site Scripting XSS. The vulnerability is due to improper sanitization of user input in the user name field, which allows an attacker to inject and execute arbitrary code when other users view affected pages...

Missing Authorization

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...

CVE-2026-23891

Decidim is a participatory democracy framework. In versions below 0.30.5 and 0.31.0.rc1 through 0.31.0, a stored code execution vulnerability in the user name field allows a low-privileged attacker to execute arbitrary code in the context of any user who passively visits a comment page, resulting...

Decidim's comments API allows access to all commentable resources

Impact The root level commentable field in the API allows access to all commentable resources within the platform, without any permission checks. All Decidim instances are impacted that have not secured the /api endpoint. The /api endpoint is publicly available with the default configuration...

Decidim's comments API allows access to all commentable resources

Impact The root level commentable field in the API allows access to all commentable resources within the platform, without any permission checks. All Decidim instances are impacted that have not secured the /api endpoint. The /api endpoint is publicly available with the default configuration...

CVE-2026-23891

Summary (CVE-2026-23891, Decidim) : A stored code execution vulnerability exists in the user name field for Decidim versions

CVE-2026-23891

Decidim is a participatory democracy framework. In versions below 0.30.5 and 0.31.0.rc1 through 0.31.0, a stored code execution vulnerability in the user name field allows a low-privileged attacker to execute arbitrary code in the context of any user who passively visits a comment page, resulting...

CVE-2026-23891 Decidim has a Cross-site scripting (XSS) vulnerability via user name field

Decidim is a participatory democracy framework. In versions below 0.30.5 and 0.31.0.rc1 through 0.31.0, a stored code execution vulnerability in the user name field allows a low-privileged attacker to execute arbitrary code in the context of any user who passively visits a comment page, resulting...

CVE-2026-23891 Decidim has a Cross-site scripting (XSS) vulnerability via user name field

Decidim is a participatory democracy framework. In versions below 0.30.5 and 0.31.0.rc1 through 0.31.0, a stored code execution vulnerability in the user name field allows a low-privileged attacker to execute arbitrary code in the context of any user who passively visits a comment page, resulting...

EUVD-2026-22024

Decidim has a cross-site scripting XSS in user name...

GHSA-FC46-R95F-HQ7G Decidim has a cross-site scripting (XSS) in user name

Impact A stored code execution vulnerability in the user name field allows a low-privileged attacker to execute arbitrary code in the context of any user who passively visits a comment page, resulting in high confidentiality and integrity impact across security boundaries. Patches N/A Workarounds...

Decidim 跨站脚本漏洞

Decidim is an open-source participatory democracy framework developed using Ruby on Rails. Versions of Decidim prior to 0.30.5, as well as versions 0.31.0.rc1 to 0.31.0, contained a cross-site scripting vulnerability. This vulnerability stemmed from a storage-based code execution issue in the use...