CVE-2026-13446 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 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data...

CVE-2026-7754

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow 1.9.0 could allow server-side request forgery SSRF due to insecure default configuration and incomplete enforcement of the SSRF protection mechanism...

EUVD-2026-45306

IBM Langflow OSS 1.0.0 through 1.10.1 Langflow could allow an authenticated user to execute arbitrary commands with elevated privileges on the system due to improper validation of user supplied input in the Python Interpreter component...

CVE-2026-7755

The IBM Security Bulletin confirms CVE-2026-7755 affects Langflow OSS versions 1.0.0–1.10.0, where the File Manager API may bypass MCP server configuration validation during file uploads. A maliciously crafted MCP configuration file (e.g., mcp_servers .json) could be uploaded via upload_user_file...

CVE-2026-8476

Langflow OSS versions 1.0.0–1.10.0 are impacted by a remote code execution vulnerability in the disk-based cache. The AsyncDiskCache deserializes cached items with unsafe pickle.loads() without validation, allowing arbitrary code execution when an attacker can influence cached data (e.g., through...

CVE-2026-8481 Remote Code Execution via Code Validation Endpoint

IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the code validation API endpoint. The POST /api/v1/validate/code endpoint accepts user-supplied Python code and executes it directly using Python's built-in exec function without sandboxing, input...

CVE-2026-8859 Path Traversal in APIRequest Component via Content-Disposition Header

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary files to unintended locations due to improper input validation in the APIRequest component. A path traversal vulnerability exists when the "Save to File" feature is enabled, where filenames extracted from HT...

PT-2026-60865

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description An issue exists in the code validation API endpoint that allows authenticated users to execute arbitrary system commands with the full privileges of the server process. The endpoint...

Security Bulletin: Parameter Injection Vulnerability in API Graph Execution Engine

Summary A parameter injection vulnerability existed in the API Graph Execution Engine's tweaks processing mechanism. The vulnerability allowed authenticated attackers to bypass security controls and inject malicious parameters into flow components at runtime. An attacker with valid API credential...

CVE-2026-7871

IBM Langflow OSS 1.0.0 through 1.10.0 allows users with Redis access to execute arbitrary code with full application privileges, compromising all secrets, data, and system integrity...

CVE-2026-10546

IBM Langflow OSS 1.0.0 through 1.9.3 contains a Server-Side Request Forgery SSRF vulnerability in the URL component src/lfx/src/lfx/components/datasource/url.py due to a Time-of-Check/Time-of-Use TOCTOU race condition that can be exploited via DNS rebinding...

CVE-2026-10560 Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS

IBM Langflow OSS 1.0.0 through 1.9.6 contains a missing authentication vulnerability in /api/v1/buildpublictmp/ endpoints that allows an unauthenticated attacker to read build event data or cancel jobs using a valid job identifier, resulting in information disclosure and denial of service...

EUVD-2026-40401

IBM Langflow OSS 1.0.0 through 1.9.6 contains a missing authentication vulnerability in /api/v1/buildpublictmp/ endpoints that allows an unauthenticated attacker to read build event data or cancel jobs using a valid job identifier, resulting in information disclosure and denial of service...

CVE-2026-7663

Langflow OSS 1.0.0–1.9.6 is affected by an improper authorization vulnerability in the Streamable MCP transport endpoint (/api/v1/mcp/project/{project_id}/streamable) that allows unauthenticated attackers to access protected MCP resources and perform MCP operations. IBM bulletin cites cross‑user ...

EUVD-2026-40380

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow disclosure of all stored credentials due to the use of a weak and reversible key derivation mechanism for encryption at rest...

PT-2026-53949

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description Authenticated attackers can execute arbitrary OS commands and read sensitive files, including credentials. This can lead to complete system compromise and lateral movement within the...

PT-2026-53955

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.9.3 Description The API Request component contains a Server-Side Request Forgery SSRF protection bypass. An authenticated attacker with flow author privileges can bypass security controls by enabling t...

PT-2026-53958

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.9.6 Description A missing authentication flaw exists in the /api/v1/build public tmp/ endpoints. This allows an unauthenticated attacker to use a valid job identifier to read build event data or cancel...

Security Bulletin: Insecure Deserialization in Redis Cache Backend

Summary A deserialization vulnerability was identified in the Redis cache service that could allow attackers with network access to the Redis instance to execute arbitrary code. The cache service used dill.loads to deserialize cached values without integrity verification, enabling attackers to...

Security Bulletin: SSRF Vulnerability in Langflow OSS Legacy Components Bypasses Protection

Summary Langflow OSS versions = 1.9.3 contain SSRF vulnerability in legacy RSS Reader and SearXNG components that bypass SSRF protection introduced in v1.9.3. RSSReaderComponent calls requests.getself.rssurl directly on user input without validateurlforssrf check, completely bypassing protection...