Description
Dify is an open-source LLM app development platform. Prior to 1.9.0, responses from the Dify API to existing and non-existent accounts differ, allowing an attacker to enumerate email addresses registered with Dify. Version 1.9.0 fixes the issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| langgenius | dify | < 1.9.0 | — |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Dify User Enumeration via Observable Response Discrepancy http/cves/2026/CVE-2026-28288.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.