Security Advisory

CVE-2026-27570

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-19 20:52:17

Last updated 2026-03-24 19:43:07

Assigner GitHub_M

State PUBLISHED

Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the onebox method in the SharedAiConversation model renders the conversation title directly into HTML without proper sanitization. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, tighten access by changing the `ai_bot_public_sharing_allowed_groups` site setting.

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