CVE-2026-28288

MEDIUM

Dify <1.9.0 - Info Disclosure

Title source: llm

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.

Scores

CVSS v3 5.3
EPSS 0.0006
EPSS Percentile 17.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Classification

CWE
CWE-204
Status published

Affected Products (1)

dify/dify < 1.9.0

Timeline

Published Feb 27, 2026
Tracked Since Feb 28, 2026