CVE-2026-28288

MEDIUM EPSS 45.9%
Published Feb 27, 20264mo ago · Modified Mar 9, 20263mo ago
5.5 CVSS 4.0
Medium
Find Similar
Published Feb 27, 2026 4mo ago
Last Modified Mar 9, 2026 3mo ago

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.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
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:P/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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
45.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-204

Affected Products 1

VendorProductVersionRange
difydify* <1.9.0

References 2

  • github.com https://github.com/langgenius/dify/issues/24323
    Issue Tracking
  • github.com https://github.com/langgenius/dify/security/advisories/GHSA-9qpf-wcv3-w3qx
    ExploitVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.