Technology · PyPI
langflow (PyPI) vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 48 vulnerabilities in langflow (PyPI): 0 in the last 7 days and 7 in the last 90 days, 19 of them critical and 5 exploited in the wild. The most recent, Langflow SSRF in URL-taking components, was published on 6 October 2026. Nothing in the last four weeks, down from 7 vulnerabilities in the four before. 0 critical against 1.
- Last 7 days
- 0
- Last 90 days
- 7
- Critical, all time
- 19
- Exploited in the wild
- 5
About langflow (PyPI)
Python framework for building and deploying language model applications with visual workflows.
Latest langflow (PyPI) vulnerabilities
- Langflow SSRF in URL-taking componentsmedium
- CVE-2026-105741: Langflow IP spoofing in MCP configuration installationhighCVSS 7.1EPSS 0.2%
- CVE-2026-105699: Langflow path traversal and cross-user disclosure in MCP resourceshighCVSS 4EPSS 0.3%
- CVE-2026-105698: Langflow authorization bypass in flow API endpointsmediumCVSS 5.4EPSS 0.2%
- CVE-2026-105697: Langflow MCP stdio command injectioncriticalCVSS 9.9EPSS 0.5%
- Langflow code injection in validate_code endpointhigh
- CVE-2026-51886: langflow code injection in validate endpointhighCVSS 8.8EPSS 0.4%
- Duplicate Advisory: Langflow: Weak Fernet Key via random.seed()highCVSS 7.4
- CVE-2026-9205: IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.criticalCVSS 9.1EPSS 0.3%
- Duplicate Advisory: Unauthenticated Flow Execution via Webhook Authentication BypasscriticalCVSS 9.8
- CVE-2026-8505: IBM Langflow OSS authentication bypass in webhook logiccriticalCVSS 9.8EPSS 0.7%
- CVE-2026-21445: PYSEC-2026-2571 - Langflow Missing Authentication on Critical API EndpointsmediumCVSS 4EPSS 33.7%
- CVE-2025-57760: PYSEC-2026-1526 - Langflow Vulnerable to Privilege Escalation via CLI Superuser Creation (Post-RCE)lowCVSS 3.1EPSS 0.5%
- CVE-2024-48061: PYSEC-2026-1523 - Langflow vulnerable to remote code executionlowCVSS 3.1EPSS 1.5%
- CVE-2024-9277: PYSEC-2026-1521 - Inefficient Regular Expression Complexity in langflowlowCVSS 3.1EPSS 1.0%
- CVE-2026-7873: IBM Langflow OSS code injection in code validation endpointcriticalCVSS 9.9EPSS 1.1%
- CVE-2026-55450: Langflow unauthenticated file upload and path disclosure in upload endpointcriticalCVSS 9.3EPSS 1.2%
- CVE-2026-55447: Langflow arbitrary file read and RCE via symlink following in BaseFileComponentcriticalCVSS 9.6EPSS 0.7%
- CVE-2026-55446: Langflow unauthenticated denial of service in file uploadhighCVSS 7.5EPSS 0.6%
- CVE-2026-55423: Langflow insufficient session expiration in logout mechanismmediumCVSS 6.1EPSS 0.2%
- CVE-2026-55255: Langflow IDOR in responses endpoint allows cross-user flow executioncriticalexploited in the wildCVSS 9.9EPSS 0.9%
- CVE-2026-48520: Langflow arbitrary file read in Shareable PlaygroundmediumCVSS 6.1EPSS 0.4%
- CVE-2026-48519: Langflow RCE in Shareable Playground via Public Flows APIcriticalCVSS 9.6EPSS 0.8%
- CVE-2026-42867: Langflow path traversal in Knowledge Bases APImediumCVSS 6.5EPSS 0.5%
- CVE-2026-33760: Langflow IDOR in monitor API endpointshighCVSS 8.8EPSS 0.5%
Most severe langflow (PyPI) vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2026-55255: Langflow IDOR in responses endpoint allows cross-user flow executioncriticalexploited in the wildCVSS 9.9EPSS 0.9%
- CVE-2026-0770: Langflow remote code execution in validate endpointcriticalexploited in the wildCVSS 9.8EPSS 63.8%
- CVE-2026-33017: Langflow unauthenticated remote code execution in build_public_tmp endpointcriticalexploited in the wildCVSS 9.8EPSS 24.8%
- CVE-2025-34291: Langflow CORS misconfiguration enables Account Takeover and RCEcriticalexploited in the wildCVSS 8.8EPSS 92.8%
- CVE-2025-3248: Langflow Unauth RCEcriticalexploited in the wildCVSS 4EPSS 100.0%
- CVE-2026-10561: IBM Langflow OSS remote code execution in PythonREPLComponentcriticalCVSS 10EPSS 0.8%
- CVE-2026-7873: IBM Langflow OSS code injection in code validation endpointcriticalCVSS 9.9EPSS 1.1%
- CVE-2026-33309: Langflow path traversal and arbitrary file write in v2 APIcriticalCVSS 9.9EPSS 1.1%
- CVE-2026-105697: Langflow MCP stdio command injectioncriticalCVSS 9.9EPSS 0.5%
- CVE-2026-27966: Langflow has Remote Code Execution in CSV AgentcriticalCVSS 9.8EPSS 35.3%
Vulnerabilities per week
Nothing in the last four weeks, down from 7 vulnerabilities in the four before. 0 critical against 1. The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 2 | 0 | |
| 5 Oct 2026 | 5 | 1 | |
| 12 Oct 2026 | 0 | 0 | |
| 19 Oct 2026 | 0 | 0 | |
| 26 Oct 2026 | 0 | 0 | |
| 2 Nov 2026 | 0 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many langflow (PyPI) vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/technologies/pypi-langflow)<a href="https://junglewise.ai/threats/technologies/pypi-langflow"><img src="https://junglewise.ai/threats/technologies/pypi-langflow/badge.svg" alt="langflow (PyPI) vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/pypi-langflow.json, and this page as text at https://junglewise.ai/threats/technologies/pypi-langflow.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "langflow (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/pypi-langflow, 13 November 2026.