Discourse 输入验证错误漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from an input validation error vulnerability that originates when the enter operation in StaticController reads the...

PT-2026-29315

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0 through 2026.3.0 Description The discourse-subscriptions plugin leaks stripe API keys across sites in a multisite cluster, potentially leading to the leakage...

Discourse 跨站脚本漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from a cross-site scripting vulnerability that stems from the user and group display names not being HTML escaped in...

PT-2026-29318

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0 through 2026.3.0 Description A flaw exists in the Category Chatables Controller 'show' action that allows moderators to bypass authorization restrictions and...

Discourse 信息泄露漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from an information disclosure vulnerability that can be exploited by attackers to cause moderators to obtain informati...

Discourse 访问控制错误漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from an Access Control Error vulnerability that can be exploited by an attacker to retrieve the content of posts, threa...

Discourse 授权问题漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from an authorization issue vulnerability that stems from a category group moderator being able to perform privileged...

PT-2026-29303

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0 Description The StaticController's enter action does not validate the sso destination url cookie before redirecting to it with allow other host: true. This...

Discourse 信息泄露漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from an information disclosure vulnerability that stems from non-employee users having access to read receipt informati...

Discourse 信息泄露漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . An information disclosure vulnerability exists in Discourse, which can be exploited by attackers to cause sensitive operational data to b...

Discourse 跨站脚本漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from a cross-site scripting vulnerability that stems from the API not cleaning up the description string when updating...

PT-2026-29307

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0 through 2026.3.0 Description Discourse is an open-source discussion platform. When the prioritize full name in ux site setting is enabled, user and group...

PT-2026-29316

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0 Description A user may be able to purchase a lower tier subscription but grant themselves the benefits of a higher tier subscription. Recommendations Update ...

Discourse 信息泄露漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . An information disclosure vulnerability exists in Discourse. The vulnerability stems from the fact that an authenticated user can send an...

Discourse 授权问题漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from an authorization issue vulnerability that can be exploited by an attacker to cause a user to purchase a lower tier...

Discourse 授权问题漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse is vulnerable to an authorization issue. The vulnerability stems from the fact that a user who loses access to a topic can stil...

BIT-DISCOURSE-2026-33428 Discourse Allows Unauthorized Access to Deleted Posts Index via Group Membership

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions 2026.3.0,...

BIT-DISCOURSE-2026-33427 Discourse Authorization Page Displays Unvalidated Redirect Domain

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, an unauthenticated attacker can cause a legitimate Discourse authorization page to display an attacker-controlled domain, facilitating social engineering attacks against users. Versions 2026.3.0,...

BIT-DISCOURSE-2026-33422 Discourse exposes ip_address of flagged user

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the ipaddress of a flagged user is exposed to any user who can access the review queue, including users who should not be able to see IP addresses. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contai...

BIT-DISCOURSE-2026-33411 Discourse's solved topic stream has potential stored XSS in topic title

Discourse is an open-source discussion platform. Versions prior to 2026.3.0, 2026.2.1, and 2026.1.2 have a potential stored XSS in topic titles for the solved posts stream. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, ensure that the Content Security Policy is...