CVE-2026-28288
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductDify
PublishedFeb 27, 2026
First seenFeb 27, 2026
Weakness typeCWE-204CWE-204
How to fix
Update
- dify dify1.9.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dify dify | v < 1.9.0 | 1.9.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.