Code Injection Vulnerability in langflow-ai's Langflow Product
CVE-2026-7700

5.3MEDIUM

Key Information:

Vendor

Langflow-ai

Status
Langflow
Vendor
CVE Published:
3 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7700?

A security weakness has been identified in langflow-ai's Langflow product versions up to 1.8.4, specifically within the eval function in the LambdaFilterComponent. This vulnerability allows an attacker to execute malicious code by manipulating inputs, which can be done remotely. The potential for exploitation has been acknowledged since the exploit has been made public. Despite early communication regarding this vulnerability, the vendor has not responded, raising concerns about user safety and risk management.

Affected Version(s)

langflow 1.8.0

langflow 1.8.1

langflow 1.8.2

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-2026-7700 - Proof of Concept

References

https://vuldb.com/vuln/360869
vdb-entrytechnical-description
https://vuldb.com/vuln/360869/cti
signaturepermissions-required
https://vuldb.com/submit/804305
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

wenject (VulDB User)
VulDB CNA Team
.