CVE-2026-28288

MEDIUM
2026-02-27 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Mar 09, 2026 - 20:23 vuln.today
Public exploit code
CVE Published
Feb 27, 2026 - 21:16 nvd
MEDIUM 5.3

Tags

Information Disclosure AI / ML Dify

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.

Analysis

Dify versions prior to 1.9.0 leak information through inconsistent API responses that distinguish between registered and non-registered email addresses, enabling attackers to enumerate valid user accounts. Public exploit code exists for this vulnerability, and affected users should upgrade to version 1.9.0 or later to remediate the information disclosure risk.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: +20

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CVE-2026-28288 vulnerability details – vuln.today
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