BIT-DISCOURSE-2026-33423 Discourse staff can modify any user's group notification level

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

CVE-2026-33423

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

CVE-2026-33423

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

EUVD-2026-13902

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

CVE-2026-33423 Discourse staff can modify any user's group notification level

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

CVE-2026-33423 Discourse staff can modify any user's group notification level

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

CVE-2026-33423

CVE-2026-33423 affects the Discourse platform. Before patches, staff could modify any user’s group notification level. A fix exists in versions 2026.3.0-latest.1 , 2026.2.1 , and 2026.1.2 ; these versions contain a patch. No workarounds are provided.

CVE-2026-33423 Discourse staff can modify any user's group notification level

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

CVE-2026-33423

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

PT-2026-26707

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.3.0-latest.1 Discourse versions prior to 2026.2.1 Discourse versions prior to 2026.1.2 Description Discourse is an open-source discussion platform. Staff members could modify any user's group notification level...

BIT-DISCOURSE-2021-37703 Information exposure in Discourse

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed...

Design/Logic Flaw

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed...

PT-2021-21822 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 2.7.8 Discourse versions prior to 2.8.0.beta5 Description: The issue exposes a user's read state for a topic, including the last read post number and the notification level. Recommendations: For versions prior to...