Remote Code Execution Vulnerability in langgenius Dify by langgenius
CVE-2026-123135

5.3MEDIUM

Key Information:

Vendor

Langgenius

Status
Dify
Vendor
CVE Published:
5 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-123135?

A remote code execution vulnerability exists in the langgenius Dify application, specifically affecting versions up to 1.18.0 and 2.0.0-beta.2. This flaw lies within the file api/configs/feature/init.py of the Sandbox Run Handler component, where it exposes hard-coded credentials. This vulnerability can be exploited remotely, allowing unauthorized access to the application. The exploit details have been publicly disclosed, making it critical for users to promptly address this security issue.

Affected Version(s)

dify 1.0

dify 1.1

dify 1.2

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-2026-123135 - Proof of Concept

References

https://vuldb.com/vuln/431443
vdb-entry
https://vuldb.com/vuln/431443/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123135
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

Ybyu (VulDB User)
.