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Inefficient Regular Expression Complexity in langflow

  • Publicada: 27.09.2024
  • Actualizado: 11.10.2026 13:18

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.

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Python (PyPI) langflow <= 1.0.18 sin corrección

Referencias

Puntuación CVSS 3.5/10
Vector CVSS
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Debilidad (CWE)
CWE-1333
Plataforma
Python (PyPI)
Paquete
langflow
Publicada
27.09.2024
Actualizado
11.10.2026 13:18

Fuentes y licencias

OSV / GitHub Advisory Database - PYSEC-2026-1521 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-355v-2rjx-fpx7 - CC BY 4.0

Historial de vulnerabilidades: langflow

Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (42) en el archivo
Entradas en total
42
Primera → última
06.2024 10.2026
Sin corrección
7
Explotada en ataques
5

Distribución por gravedad

  • Crítica 15
  • Alta 17
  • Media 7
  • Baja 3

Divulgaciones por año

Gravedad:
  1. Langflow: OS command injection (RCE) via arbitrary command in MCP stdio server configuration
    Crítica · 9.9 CVE-2026-105697 >= 1.1.2, < 1.10.3 1.10.3
  2. Langflow has Authenticated Cross-Project File Disclosure via Unscoped MCP Resource Handlers
    Alta CVE-2026-105699 >= 1.6.8, < 1.9.1 1.9.1
  3. Langflow: IP Spoofing Bypass via `X-Forwarded-For` Allowing Remote Configuration Write
    Alta · 7.1 CVE-2026-105741 >= 1.5.0, < 1.10.3 1.10.3
  4. Langflow: PythonREPLComponent executes unsandboxed Python code, enabling authenticated RCE and privilege escalation
    Crítica · 9.9 CVE-2026-10561 < 1.10.1 1.10.1
  5. Langflow: Weak Fernet Key via random.seed()
    Crítica · 9.1 CVE-2026-9205 < 1.10.1 1.10.1
  6. Langflow: Unauthenticated Flow Execution via Webhook Authentication Bypass
    Crítica · 9.8 CVE-2026-8505 >= 1.7.0, < 1.9.1 1.9.1
  7. Langflow: Title Authenticated Remote Code Execution in validate_code via Malicious Decorators Description
    Alta · 8.8 CVE-2026-51886 >= 1.7.2, < 1.10.1 1.10.1
  8. Langflow: Prompt injection in Langflow Smart Transform can lead to code execution
    Alta · 8.8 CVE-2026-7700 >= 1.3.0, < 1.10.3 1.10.3
  9. Langflow: BaseFileComponent-based nodes arbitrary file read with RCE exploit
    Crítica · 9.6 CVE-2026-55447 < 1.9.2 1.9.2
  10. Langflow: Unauthenticated DoS through multipart form boundary file upload
    Alta · 7.5 CVE-2026-55446 < 1.0.19 1.0.19
  11. Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow
    Alta · 8.4 Explotada en ataques CVE-2026-55255 < 1.9.1 1.9.1
  12. Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak
    Crítica · 9.3 CVE-2026-55450 < 1.9.1 1.9.1
  13. Langflow: Unauthenticated RCE in Shareable Playgrounds
    Crítica · 9.6 CVE-2026-48519 < 1.9.2 1.9.2
  14. Langflow: IDOR/BOLA in Monitor API — Missing Ownership Enforcement on 7 Endpoints
    Alta · 8.8 CVE-2026-33760 < 1.9.0 1.9.0
  15. Langflow Knowledge Bases API is Vulnerable to Path Traversal
    Crítica · 9.6 CVE-2026-42048 < 1.9.0 1.9.0
  16. Langflow: Authenticated Users Can Read, Modify, and Delete Any Flow via Missing Ownership Check
    Alta CVE-2026-34046 < 1.5.1 1.5.1
  17. Langflow has Authenticated Code Execution in Agentic Assistant Validation
    Crítica CVE-2026-33873 < 1.9.0 1.9.0
  18. langflow: /profile_pictures/{folder_name}/{file_name} endpoint file reading
    Alta CVE-2026-33497 < 1.7.1 1.7.1
  19. langflow has Unauthenticated IDOR on Image Downloads
    Alta · 7.5 CVE-2026-33484 >= 1.0.0, < 1.9.0 1.9.0
  20. Langflow has an Arbitrary File Write (RCE) via v2 API
    Crítica · 9.9 CVE-2026-33309 >= 1.2.0, < 1.9.0 1.9.0
  21. Langflow is Missing Ownership Verification in API Key Deletion (IDOR)
    Alta CVE-2026-33053 < 1.9.0 1.9.0
  22. Unauthenticated Remote Code Execution in Langflow via Public Flow Build Endpoint
    Crítica · 9.8 Explotada en ataques CVE-2026-33017 < 1.9.0 1.9.0
  23. Langflow has Remote Code Execution in CSV Agent
    Crítica · 9.8 CVE-2026-27966 <= 1.8.0rc2 sin corrección
  24. Langflow affected by Remote Code Execution via validate_code() exec()
    Alta Explotada en ataques CVE-2026-0770 <= 1.7.3 sin corrección
  25. Langflow Missing Authentication on Critical API Endpoints
    Alta CVE-2026-21445 < 1.7.1 1.7.1
  26. Langflow vulnerable to Server-Side Request Forgery
    Alta · 7.7 CVE-2025-68477 < 1.7.1 1.7.1
  27. External Control of File Name or Path in Langflow
    Alta · 7.1 CVE-2025-68478 < 1.7.1 1.7.1
  28. Langflow versions up to and including 1.6.9 contain a chained vulnerability that enables account takeover and remote code execution. An overly permissive CORS configuration (allow_origins='*' with all
    Alta · 8.8 Explotada en ataques CVE-2025-34291 < 1.7.0 1.7.0
  29. Langflow Vulnerable to Privilege Escalation via CLI Superuser Creation (Post-RCE)
    Alta · 8.8 CVE-2025-57760 < 1.5.0 1.5.0
  30. Langflow Unauth RCE
    Crítica Explotada en ataques CVE-2025-3248 < 1.3.0 1.3.0
  31. langflow v1.0.12 was discovered to contain a remote code execution (RCE) vulnerability via the PythonCodeTool component.
    Crítica · 9.8 CVE-2024-42835 <= 1.0.12 sin corrección
  32. Inefficient Regular Expression Complexity in langflow esta entrada
    Media · 3.5 CVE-2024-9277 <= 1.0.18 sin corrección
  33. Langflow through 0.6.19 allows remote code execution if untrusted users are able to reach the "POST /api/v1/custom_component" endpoint and provide a Python script.
    Crítica · 9.8 CVE-2024-37014 < 1.0.0a3 1.0.0a3

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