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Vulnerabilities CVE-2026-53960

CVE-2026-53960

Medium
Open
TLP:CLEAR

Discourse: Hidden first-post excerpt is emitted in Q&A schema JSON-LD

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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.

Details

CVSS Score
5.3
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Confidence
90%
Published
Aug 17, 2026
Last Modified
Aug 17, 2026
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