CVE-2025-32376

CVE-2025-32376 affects Discourse, where the DM limit enforcement could be bypassed. Affected versions are Discourse stable < 3.4.3 and beta

PT-2025-18290 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.4.3 Discourse versions prior to 3.5.0.beta3 Description: Discourse is an open-source discussion platform. In versions prior to 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the user limit for a...

Discourse Access Control Vulnerability

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email, and chat rooms. An access control error vulnerability exists in Discourse versions prior to 3.4.3 and prior to 3.5.0.beta3, which stems from bypassing...

CVE-2025-32376: Improper Access Control

Discourse is an open-source discussion platform. Prior to versions 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the users limit for a DM can be bypassed, thus giving the ability to potentially create a DM with every user from a site in it. This issue has been patched in stable...

Discourse < 3.2.1 Multiple Vulnerabilities

Discourse is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:discourse:discourse"; ifdescripti...

CVE-2025-24808

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

CVE-2025-24972

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, in specific circumstances, users could be added to group direct messages despite disabling direct messaging in their preferences. Versions 3.3.4 and 3.4.0.beta5 contai...

BIT-DISCOURSE-2025-24808 Discourse has race condition when adding users to a group DM

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

CVE-2025-24972

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, in specific circumstances, users could be added to group direct messages despite disabling direct messaging in their preferences. Versions 3.3.4 and 3.4.0.beta5 contai...

CVE-2025-24808

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

CVE-2025-24972 Discourse may bypass user preference when adding users to chat groups

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, in specific circumstances, users could be added to group direct messages despite disabling direct messaging in their preferences. Versions 3.3.4 and 3.4.0.beta5 contai...

CVE-2025-24972

Discourse (open-source platform) has a vulnerability CVE-2025-24972 affecting group direct messages. In affected releases (before 3.3.4 on the stable branch and before 3.4.0.beta5 on the beta branch), a user could be added to a group DM even if direct messaging was disabled in their preferences. ...

CVE-2025-24972 Discourse may bypass user preference when adding users to chat groups

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, in specific circumstances, users could be added to group direct messages despite disabling direct messaging in their preferences. Versions 3.3.4 and 3.4.0.beta5 contai...

CVE-2025-24808 Discourse has race condition when adding users to a group DM

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

CVE-2025-24808 Discourse has race condition when adding users to a group DM

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

CVE-2025-24808 Discourse has race condition when adding users to a group DM

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

CVE-2025-24808

Summary: Discourse is affected by a race condition in the add_users_to_channel flow when adding users to a group DM, potentially bypassing the group size limit. Affected versions: before 3.3.4 on the stable branch and before 3.4.0.beta5 on the beta branch. Root cause: lack of proper synchronizati...

CVE-2025-24808: Concurrent Execution using Shared Resource with Improper Synchronization

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

Discourse security vulnerabilities

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email and chat rooms. A security vulnerability exists in Discourse stable prior to version 3.3.4 and beta prior to version 3.4.0.beta5, which stems from the...

Discourse security vulnerabilities

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email and chat rooms. A security vulnerability exists in Discourse stable prior to version 3.3.4 and beta prior to version 3.4.0.beta5, which stems from a...