PT-2026-48983 · Discourse · Discourse

Published 2026-06-12 · Updated 2026-06-12 · CVE-2026-44786

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, chat events for public category channels are published to MessageBus without permission scoping, so any MessageBus subscriber without chat enabled could receive chat message payloads in real time. This issue has been patched in versions 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0-latest.1.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2026-44786

Affected Products

Discourse

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-44786 · Security Note
• https://github.com/discourse/discourse/security/advisories/GHSA-j7wq-rf5c-8783 · Note