CVE-2026-34947
Discourse: Staged user custom fields are exposed on public invite pages
EPSS 0.05%
Description
Discourse is an open-source discussion platform. From versions 2026.1.0 to before 2026.1.3,and 2026.2.0 to before 2026.2.2, 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 and 2026.2.2.
How to fix CVE-2026-34947
To remediate CVE-2026-34947, upgrade the affected package to a fixed version below.
- Bitnami/discourse—upgrade to 2026.1.3 or later
Is CVE-2026-34947 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2026.1.0, < 2026.1.3, >= 2026.2.0, < 2026.2.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |