PT-2026-56993 · Discourse · Discourse

CVE-2026-44787

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Published

2026-07-09

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Updated

2026-07-15

CVSS v3.1

8.2

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/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 The signup flow allows newly registered users to set the primary group id variable. On sites where whispers allowed groups is configured, this allows users to gain whisper-group privileges without legitimate group membership.
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

DoS

Improper Privilege Management

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Weakness Enumeration

Related Identifiers

BIT-DISCOURSE-2026-44787
CVE-2026-44787
GHSA-VMWQ-JVXX-JWFX

Affected Products

Discourse