PT-2026-56997 · Discourse · Discourse

CVE-2026-49256

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Published

2026-07-09

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Updated

2026-07-15

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.6.0 Discourse versions prior to 2026.5.1 Discourse versions prior to 2026.4.2 Discourse versions prior to 2026.1.5
Description Restricted tag and tag-group names attached to publicly readable categories as allowed tags, allowed tag groups, or required tag groups could be leaked to anonymous and unauthorized users through category and group endpoints.
Recommendations Update to version 2026.6.0 Update to version 2026.5.1 Update to version 2026.4.2 Update to version 2026.1.5

Exploit

Fix

Information Disclosure

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Weakness Enumeration

CWE-200

Related Identifiers

BIT-DISCOURSE-2026-49256
CVE-2026-49256
GHSA-MWP7-572G-6QPX

Affected Products

Discourse