CVE-2026-28288

low-risk
Published 2026-02-27

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.

Do I need to act?

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0.59% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Dify

Affected Vendors

28
/ 100
low-risk
Severity 21/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal