CVE-2026-34947 — Discourse: Staged user custom fields are exposed on public invite pages

CVE-2026-34947

Discourse: Staged user custom fields are exposed on public invite pages PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
discourse / discourse	affected >= 2026.1.0-latest, < 2026.1.3; affected >= 2026.2.0-latest, < 2026.2.2; affected >= 2026.3.0-latest, < 2026.3.0

CWE

CWE-200

References

https://github.com/discourse/discourse/security/advisories/GHSA-4rcw-wq9x-54qw

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.