CVE-2026-51888: Undefined Security Weakness

langflow-ai langflow v1.8.4 is affected by: Directory Traversal. The impact is: Arbitrary file write outside the intended workspace or storage boundary.. The component is:...

CVE-2026-51886: Undefined Security Weakness

langflow-ai langflow v1.9.3 is affected by: Code Injection. The impact is: execute arbitrary code remote. The component is: src/backend/base/langflow/api/v1/validate.py:validate-postvalidatecode-a-real-authenticated-http-post-to-api-v1. The attack vector is: Attack surface: HTTP or browser-backed...

CVE-2026-51886

langflow-ai langflow v1.9.3 is affected by: Code Injection. The impact is: execute arbitrary code remote. The component is: src/backend/base/langflow/api/v1/validate.py:validate-postvalidatecode-a-real-authenticated-http-post-to-api-v1. The attack vector is: Attack surface: HTTP or browser-backed...

CVE-2026-51888

langflow-ai langflow v1.8.4 is affected by: Directory Traversal. The impact is: Arbitrary file write outside the intended workspace or storage boundary.. The component is:...

PT-2026-104043

Name of the Vulnerable Software and Affected Versions langflow-ai langflow versions prior to 1.9.4 Description An authenticated attacker can execute arbitrary Python code on the server via a code injection flaw. The issue exists because a public-facing route accepts raw Python source and forwards...

CVE-2026-51886

The langflow-ai langflow application (up to v1.9.3 ) is vulnerable to Authenticated Remote Code Execution (RCE) via a code injection flaw in the validate_code function. The /api/v1/validate/code endpoint uses Python's exec() function to compile and execute user-supplied code for validation. While...

CVE-2026-51888

The langflow-ai langflow software, specifically versions up to 1.8.4 , is vulnerable to an absolute path traversal vulnerability in the knowledge_bases-create_knowledge_base-a-live-http-post-to-create-knowledge_base endpoint. The root cause is a lack of boundary enforcement in src/backend/base/la...

Security Bulletin: Langflow OSS is affected by server-side request forgery

Summary Langflow OSS provides integration connectors, API request components, and knowledge base vector store integrations that make outbound network calls. An attacker can craft network requests that bypass hostname validation, internationalized domain name handling, and URL restrictions. This...

Security Bulletin: Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components

Summary Langflow contains multiple Server-Side Request Forgery vulnerabilities across several components where authenticated users can supply attacker-controlled URLs or database connection strings that reach internal network hosts without adequate validation. The LMStudio model and embeddings...

CVE-2026-101861

Langflow 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 contain an unsafe eval vulnerability in schema.py that allows authenticated attackers to achieve code execution by placing a Python object with a malicious repr method into component input options lists. The eval sink is triggered when a...

CVE-2026-101861 Langflow Code Execution via eval() in Component Input Schema

Langflow 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 contain an unsafe eval vulnerability in schema.py that allows authenticated attackers to achieve code execution by placing a Python object with a malicious repr method into component input options lists. The eval sink is triggered when a...

CVE-2026-101861

Langflow versions 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 are vulnerable to code execution due to an unsafe eval() sink in schema.py. Authenticated attackers can achieve execution by placing a Python object with a malicious __repr__ method into component input options lists. The vulnerabili...

EUVD-2026-88338

Langflow 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 contain an unsafe eval vulnerability in schema.py that allows authenticated attackers to achieve code execution by placing a Python object with a malicious repr method into component input options lists. The eval sink is triggered when a...

CVE-2026-101861 Langflow Code Execution via eval() in Component Input Schema

Langflow 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 contain an unsafe eval vulnerability in schema.py that allows authenticated attackers to achieve code execution by placing a Python object with a malicious repr method into component input options lists. The eval sink is triggered when a...

CVE-2026-101861 Langflow Code Execution via eval() in Component Input Schema

Langflow 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 contain an unsafe eval vulnerability in schema.py that allows authenticated attackers to achieve code execution by placing a Python object with a malicious repr method into component input options lists. The eval sink is triggered when a...

CVE-2026-101861: Improper Neutralization of Directives in Dynamically Evaluated Code

Langflow 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 contain an unsafe eval vulnerability in schema.py that allows authenticated attackers to achieve code execution by placing a Python object with a malicious repr method into component input options lists. The eval sink is triggered when a...

PT-2026-99924

Name of the Vulnerable Software and Affected Versions Langflow versions 0.0.94 through 1.11.x Langflow versions 1.0.16 through 1.11.x Description An unsafe eval function in schema.py allows authenticated attackers to achieve remote code execution. This occurs when a Python object containing a...

CVE-2026-9198

CVE-2026-9198 - IBM Langflow OSS 未认证远程代码执行（RCE） 影响 IBM Langflow OSS 的严重未认证远程代码执行漏洞。 该漏洞源于以下两个弱点的组合利用： 1. /api/v1/autologin 可向未认证的网络调用者签发具有特权的 SUPERUSER Bearer 令牌。 2. /api/v1/validate/code 会在不安全的执行上下文中处理攻击者控制的 Python 代码。 一旦组合利用，这些弱点就可能导致以 Langflow 后端进程的权限执行任意 Python 代码。 该漏洞的 CVSS v3.1 评分为 9.8（严重）...

Langflow-RCE-CVE-2025-3248

CVE-2025-3248 — Langflow Unauthenticated RCE PoC A clean, tested proof-of-concept for CVE-2025-3248 , an unauthenticated remote code execution vulnerability in Langflow versions prior to 1.3.0. What is CVE-2025-3248? Langflow's /api/v1/validate/code endpoint accepts Python code for static...

Langflow AI - Unauthenticated Remote Code Execution

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint.A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code. id: CVE-2025-3248 info: name: Langflow AI - Unauthenticated Remote Code Execution author: nvn172...