CVE-2026-32620 MEDIUM

CVE-2026-32620: Discourse: Missing post-level authorization allows whisper metadata disclosure

Vendor Discourse
Product discourse
Weakness CWE-200 · Info exposure
Published March 31, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, non-staff users could access read receipt information for staff-only posts they weren't supposed to see. No post content was exposed, only metadata about who read the post and when. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
April 1, 2026 Record updated