PT-2026-56994 · Discourse · Discourse

CVE-2026-45780

·

Published

2026-07-09

·

Updated

2026-07-15

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:L/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 The EventSerializer could expose invited group names, sample invitees, and attendance statistics to users who have permission to view the topic but are not authorized to view the private event invitee list.
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

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-200

Related Identifiers

BIT-DISCOURSE-2026-45780
CVE-2026-45780
GHSA-22V7-6WGJ-G9F7

Affected Products

Discourse