CVE-2026-45780

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CVSS 3.1

4.3 medium

EPSS

<1%p41

Published

Jul 9, 2026 (Jul 9, 2026)

Modified

Jul 14, 2026

Description

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, EventSerializer could expose invited group names, sample invitees, and attendance statistics to users who could view the topic but were not entitled to view the private event invitee list. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

Vendors: discourse
Products: discourse
Weakness: CWE-200
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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