Langflow
CVE-2024-9277
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V2 - Validation and Business Logic Regex complexity limits
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.1 (MEDIUM). Attack characteristics: adjacent network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
A vulnerability classified as problematic was found in Langflow up to 1.0.18. Rated medium severity (CVSS 5.1), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in pypi
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-1333. A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remaining_text leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Langflow. Version information: up to 1.0.18..
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Severity by source
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Primary rating from Vendor (vuldb) · only source for this CVE.
CVSS VectorVendor: vuldb
DescriptionCVE.org
A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remaining_text leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
Langflow before 1.3.0 allows unauthenticated remote code injection through the /api/v1/validate/code endpoint, enabling
Langflow has a third RCE vulnerability via exec_globals (EPSS 10.0%) allowing inclusion of untrusted code that executes
Account takeover and remote code execution in Langflow AI workflow platform versions ≤1.6.9 due to a CORS misconfigurati
Langflow has a code injection vulnerability in the code component (EPSS 2.6%) enabling remote code execution through the
Langflow has an eval injection in eval_custom_component_code (EPSS 2.0%) enabling remote code execution through crafted
Remote code execution in IBM Langflow OSS 1.0.0 through 1.9.3 lets an unauthenticated attacker inject and run arbitrary
Code injection in Langflow CSV Agent node before 1.8.0. The node hardcodes allow_dangerous_code=True, enabling arbitrary
Langflow through 0.6.19 allows remote code execution if untrusted users are able to reach the "POST /api/v1/custom_compo
OS command injection in Langflow's MCP stdio transport allows an attacker who can reach the MCP server configuration end
langflow <=1.0.18 is vulnerable to Remote Code Execution (RCE) as any component provided the code functionality and the
langflow v1.0.12 was discovered to contain a remote code execution (RCE) vulnerability via the PythonCodeTool component.
Langflow before 1.7.0.dev45 exposes multiple API endpoints without authentication, allowing unauthenticated access to us
NVD
CVE.org
EPSS
VulDB
GitHub PoC
Exploit-DB