Server-Side Request Forgery Vulnerability in LangGenius Dify by LangGenius
CVE-2026-6617

5.3MEDIUM

Key Information:

Vendor

Langgenius

Status
Dify
Vendor
CVE Published:
20 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6617?

A vulnerability exists in LangGenius Dify affecting versions up to 0.6.9. This flaw is located in the get_api_tool_provider_remote_schema function within the api/services/tools/api_tools_manage_service.py file. An attacker can manipulate the URL argument, leading to server-side request forgery (SSRF). This could allow remote attackers to send crafted requests to internal services, potentially leading to unauthorized access to sensitive data. The exploit has been made public, and attempts to communicate this vulnerability to the vendor have gone unanswered.

Affected Version(s)

dify 0.6.0

dify 0.6.1

dify 0.6.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-6617 - Proof of Concept

References

https://vuldb.com/vuln/358252
vdb-entrytechnical-description
https://vuldb.com/vuln/358252/cti
signaturepermissions-required
https://vuldb.com/submit/792231
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-g (VulDB User)
VulDB CNA Team
.