EUVD-2026-45276

IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. The AsyncDiskCache class uses Python's unsafe pickle.loads function to deserialize cached objects from disk without validation, integrity verification, or...

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...

EUVD-2026-45275

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-2026-8481 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-2026-8481

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-2026-8481

Langflow OSS versions 1.0.0–1.10.0 are affected by a remote code execution vulnerability in the code validation endpoint. The POST /api/v1/validate/code endpoint executes user-supplied Python code via Python’s built-in exec() without sandboxing or input validation, allowing any authenticated user...

CVE-2026-8505

CVE-2026-8505 affects Langflow OSS 1.0.0–1.10.0. A flaw in the webhook authentication logic bypasses API key validation when WEBHOOK_AUTH_ENABLE is False (default), allowing unauthenticated remote execution of any flow and potentially RCE/DoS. IBM’s bulletin confirms the vulnerability and that th...

EUVD-2026-45272

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-8505

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-8635

Security bulletin confirms CVE-2026-8635 affects Langflow OSS versions 1.0.0–1.10.0 where an authenticated user can exploit the Python Interpreter component to execute arbitrary code, bypass controls, and escalate to superuser by manipulating the database, potentially compromising the Langflow se...

EUVD-2026-45270

IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated users to escalate privileges to superuser by directly manipulating the database, execute arbitrary system commands, and achieve full system compromise with Langflow service permissions...

CVE-2026-8635 Arbitrary Code Execution in Python Interpreter Component

IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated users to escalate privileges to superuser by directly manipulating the database, execute arbitrary system commands, and achieve full system compromise with Langflow service permissions...

EUVD-2026-45269

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...

CVE-2026-8859

Langflow OSS (versions 1.0.0–1.10.0) contains a path traversal vulnerability in the APIRequest component when the Save to File feature is enabled. Filenames parsed from HTTP Content-Disposition headers are not sanitized, allowing an attacker-controlled server to craft paths (e.g., ../) and writ...

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...

EUVD-2026-45258

IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to gain unauthorized access due to improper authentication in the /api/v1/login/autologin endpoint. The endpoint issues long-lived superuser bearer tokens without requiring authentication when the AUTOLOGIN configuration is enabl...

CVE-2026-9103 Unauthenticated Superuser Token Issuance via Auto-Login Endpoint

IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to gain unauthorized access due to improper authentication in the /api/v1/login/autologin endpoint. The endpoint issues long-lived superuser bearer tokens without requiring authentication when the AUTOLOGIN configuration is enabl...

CVE-2026-9103

CVE-2026-9103 affects Langflow OSS 1.0.0–1.10.0. The root cause is improper authentication in the /api/v1/login/auto_login endpoint, which issues long‑lived superuser tokens when AUTO_LOGIN is enabled (default). Combined with permissive CORS, this can expose tokens to unintended origins and enabl...

CVE-2026-9135 Policies Component Dynamic CodeInput Fields Bypass Custom Component Validation

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow versions up to 1.9.2 commit 94981c443d4918517b9e8163d70fc598dc33a32d contain a code injection vulnerability in the Policies component's ToolGuard integration that bypasses the allowcustomcomponents=false security control. The vulnerability exists...

CVE-2026-9198

IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/autologin mints SUPERUSER tokens to any network caller with /api/v1/validate/code executes user code via exec to achieve full RCE on default Langflow deployments...