Server-Side Request Forgery Vulnerability in LangGenius Dify Software
CVE-2026-6618

5.3MEDIUM

Key Information:

Vendor

Langgenius

Status
Dify
Vendor
CVE Published:
20 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6618?

A security flaw has been identified in LangGenius Dify (up to version 1.13.3) that allows for server-side request forgery (SSRF) due to improper handling of the URL argument in the 'parse_openai_plugin_json_to_tool_bundle' function located in 'api/core/tools/utils/parser.py'. This vulnerability can be exploited remotely, enabling attackers to manipulate server requests and potentially access sensitive information. Despite early notifications to the vendor, no responses have been received, highlighting the urgency for users to secure their installations.

Affected Version(s)

dify 1.13.0

dify 1.13.1

dify 1.13.2

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-2026-6618 - Proof of Concept

References

https://vuldb.com/vuln/358253
vdb-entrytechnical-description
https://vuldb.com/vuln/358253/cti
signaturepermissions-required
https://vuldb.com/submit/792241
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
.