Home

Description

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, staged user custom fields and username are exposed on public invite pages without email verification. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

PUBLISHED Reserved 2026-03-31 | Published 2026-04-03 | Updated 2026-04-07 | Assigner GitHub_M




LOW: 2.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

Problem types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Product status

>= 2026.1.0-latest, < 2026.1.3
affected

>= 2026.2.0-latest, < 2026.2.2
affected

>= 2026.3.0-latest, < 2026.3.0
affected

References

github.com/...course/security/advisories/GHSA-4rcw-wq9x-54qw

cve.org (CVE-2026-34947)

nvd.nist.gov (CVE-2026-34947)

Download JSON