CVE-2026-33017-Langflop

CVE-2026-33017 Langflow（"Langflop"）未認証 RCE PoC Langflow の未認証 buildpublictmp コード実行脆弱性に対する PoC です。 悪意のあるコンポーネントを公開フローにアップロードし、ビルドをトリガーして、リバースシェルを取得します。 認可されたセキュリティテスト専用です。 自分が所有するシステム、または明示的なテスト許可を得たシステムに対してのみ使用してください。 要件 Python 3 requests（pip install requests） 使用方法 内蔵リスナーを起動して、エクスプロイトを一括実行します：...

CVE-2026-85025

IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow security restrictions and session isolation controls...

EUVD-2026-75748

IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow security restrictions and session isolation controls...

CVE-2026-85025

IBM Langflow OSS versions 1.0.0 through 1.11.5 are vulnerable to arbitrary code execution and chat session access/modification by an unauthenticated attacker through publicly shared MCP project endpoints . The root cause is improper enforcement of public-flow security restrictions and session iso...

PT-2026-89598

🚨Critical - IBM Langflow OSS Unauth RCE via Public MCP Project Endpoints CVE-2026-85025 Langflow OSS improperly enforces public-flow restrictions on publicly shared MCP project endpoints, allowing unauthenticated access to/modify chat sessions. By abusing weak session isolation, attackers can piv...

Security Bulletin: Langflow is vulnerable to information disclosure due to cross-user MCP tool cache collision and incomplete secret scrubbing on public flows

Summary Langflow contains two authenticated information disclosure vulnerabilities. The MCP Tools component caches discovered tools in a shared process-local cache keyed only by the MCP server display name without including the user, session, flow, or resolved configuration; when two authenticate...

Security Bulletin: Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

Summary Langflow OSS supports custom Python components and validation of component code for component development workflows. Weaknesses in custom component execution paths, validation endpoints, and trusted template enforcement could allow authenticated users to execute arbitrary Python code or...

Exploit for Eval Injection in Langflow

CVE-2026-33017 Langflow RCE ★ CVE-2026-33017 Langflow Remote...

Security Bulletin: Unauthenticated Session History Access via Public Flow Execution

Summary A session ID namespace bypass vulnerability existed in Langflow OSS' POST /api/v1/buildpublictmp/flowid/flow endpoint that allowed unauthenticated attackers to access chat history from other users' sessions. The endpoint accepted an inputs.session parameter that could override the session...

Exploit for Eval Injection in Langflow

CVE-2026-33017 — Langflow Unauthenticated Remote Code Executio...

CVE-2026-13448

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

CVE-2026-13448 Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

CVE-2026-13448

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

EUVD-2026-45308

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

CVE-2026-13448: Incomplete List of Disallowed Inputs

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

PT-2026-60871

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.1 Description An unauthenticated remote code execution issue exists in the public flow build endpoint '/api/v1/build public tmp/flow id/flow'. The flaw is caused by an incomplete denylist within the...

Exploit for Eval Injection in Langflow

Fireflow RCE Exploit Remote Code Execution for Langflow via t...

Exploit for Eval Injection in Langflow

CVE-2026-33017 - Langflow Unauthenticated RCE ⚠️ DISCLAIM...

Unauthenticated Remote Code Execution in Langflow via Public Flow Build Endpoint

SummaryThe POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses attacker-controlled flow data containing arbitrary Python code in node definitions instead of the stored flow...

PYSEC-2026-243

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, the "Shareable Playground" or "Public Flows" in code contains a critical RCE vulnerability. Shareable Playground feature works by enabling the execution of workflows by unauthenticated users, by accessi...