Security Advisory

CVE-2026-27162

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-26 19:58:33

Last updated 2026-03-03 01:41:54

Assigner GitHub_M

State PUBLISHED

Description

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, `posts_nearby` was checking topic access but then returning all posts regardless of type, including whispers that should only be visible to whisperers. Use `Post.secured(guardian)` to properly filter post types based on user permissions. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

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