CVE-2026-28288

Summary

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.

Affected Software

VendorProductVersion RangeStatus
langgeniusdify< 1.9.0affected

Weaknesses

  • CWE-204: CWE-204: Observable Response Discrepancy

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

References