PT-2026-76682 · Discourse · Discourse

CVE-2026-55704

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Published

2026-08-17

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Updated

2026-08-21

CVSS v3.1

4.3

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.1.6 Discourse versions prior to 2026.5.2 Discourse versions prior to 2026.6.1 Discourse versions prior to 2026.7.0
Description Users permitted to view group activity but restricted from seeing shared drafts can still access shared-draft entries. This occurs through the group posts and group mentions endpoints, potentially disclosing unpublished draft material, including topic titles and post excerpts or content.
Recommendations Update to version 2026.1.6. Update to version 2026.5.2. Update to version 2026.6.1. Update to version 2026.7.0.

Exploit

Fix

Missing Authorization

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Weakness Enumeration

CWE-862

Related Identifiers

BIT-DISCOURSE-2026-55704
CVE-2026-55704
GHSA-FXW4-38V9-76V8

Affected Products

Discourse