PT-2026-48983

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description Chat events for public category channels are published to the MessageBus without permission scoping. This allows any MessageBus...

PT-2026-48988

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description When the SiteSetting.tags listed by group setting is enabled, the DetailedTagSerializertag group names function returns all tag...

PT-2026-48987

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 through 2026.3.0 Discourse versions 2026.4.0 through 2026.4.0 Description An issue exists in the Jobs::RedeliverWebHookEvents function where the MessageBus.publish call f...

PT-2026-48982

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description The AI explain helper fails to verify the can see? permission on the reply to post of a post being explained. This allows an...

PT-2026-48977

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0-latest through 2026.1.3 Discourse versions 2026.3.0-latest through 2026.3.0 Discourse versions 2026.4.0-latest through 2026.4.0 Description Bot debug endpoints disclose whisper translation audit logs. Recommendation...

PT-2026-48978

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description The ReviewableQueuedPostSerializer unconditionally includes the raw email payload for posts received via incoming email. This allo...

CVE-2026-34154

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in version...

CVE-2026-33514

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively...

BIT-DISCOURSE-2026-34154 Discourse has a subscription access bypass in its discourse-subscriptions plugin

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in versions 2026.1....

CVE-2026-34154

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in version...

CVE-2026-34154 Discourse has a subscription access bypass in its discourse-subscriptions plugin

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in version...

EUVD-2026-30969

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in version...

CVE-2026-34154

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in version...

CVE-2026-34154 Discourse has a subscription access bypass in its discourse-subscriptions plugin

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in version...

CVE-2026-34154

CVE-2026-34154 affects Discourse where the vulnerability resides in the discourse-subscriptions plugin. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, users could access subscription-gated groups without completing payment. The issue has been fixed in versions 2026.1.4, ...

CVE-2026-33514

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively...

CVE-2026-33514 Discourse: Information Disclosure in Form Template API Due to Missing Authorization

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively...

EUVD-2026-30821

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively...

CVE-2026-33514

Summary: CVE-2026-33514 affects Discourse. In affected releases prior to 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0-latest.1, an authenticated user with the form templates feature enabled could read the name and structured content of form templates that are intended only for categories the user i...

CVE-2026-33514 Discourse: Information Disclosure in Form Template API Due to Missing Authorization

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively...