Security Advisory

CVE-2026-53960

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-17 15:33:14

Last updated 2026-08-17 15:48:08

Assigner GitHub_M

CVSS score 5.3

State PUBLISHED

Description

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A (QAPage) JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engine crawlers. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.

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