Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the deleteapikeyroute endpoint. An attacker can delete API keys belonging to other users by providing the apikeyid of a key they do not own. Remediation Upgrade langflow-base to versio...

CVE-2026-33053

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

PYSEC-2026-78

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

PYSEC-2026-78

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

CVE-2026-33053 Langflow has Missing Ownership Verification in API Key Deletion (IDOR)

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

CVE-2026-33053 Langflow has Missing Ownership Verification in API Key Deletion (IDOR)

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

CVE-2026-33053 Langflow has Missing Ownership Verification in API Key Deletion (IDOR)

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

CVE-2026-33053

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

CVE-2026-33053

Langflow contains an IDOR vulnerability in API key deletion. Versions prior to 1.9.0 allow delete_api_key_route to delete an API key by id with only a generic authentication check, and delete_api_key() does not verify that the key belongs to the currently authenticated user. This enables an authe...

CVE-2026-33017

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses...

CVE-2026-33017 Langflow has Unauthenticated Remote Code Execution via Public Flow Build Endpoint

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses...

CVE-2026-33017

Langflow CVE-2026-33017 describes unauthenticated remote code execution via the public build endpoint /api/v1/build_public_tmp/{flow_id}/flow on versions before 1.9.0. Attackers can supply attacker-controlled flow data containing arbitrary Python code; the flow build path passes this data into th...

CVE-2026-33017 Langflow has Unauthenticated Remote Code Execution via Public Flow Build Endpoint

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses...

CVE-2026-33017 Langflow has Unauthenticated Remote Code Execution via Public Flow Build Endpoint

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses...

Langflow 安全漏洞

Langflow is an open-source visualization framework developed by Langflow for building multi-agent and RAG applications. Versions of Langflow prior to 1.9.0 contained a security vulnerability. This vulnerability stemmed from the deleteapikeyroute endpoint, which did not verify the ownership of the...

Langflow Unauth RCE

Langflow versions prior to 1.9.0 are susceptible to unauthenticated remote code execution through the /api/v1/buildpublictmp//flow endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code. Module Options msf use...

Langflow 安全漏洞

Langflow is an open-source visualization framework developed by Langflow for building multi-agent and RAG applications. Versions of Langflow prior to 1.9.0 contained a security vulnerability. This vulnerability stems from the /api/v1/buildpublictmp/flowid/flow endpoint, which accepts process data...

langflow-nightly (=1.8.0.dev24) potentially affected by CVE-2026-33309 via langflow-base (=0.7.2)

langflow-base PYPI version =0.7.2 is affected by a known vulnerability. The following packages have a transitive dependency on langflow-base and may be impacted: - langflow-nightly =1.8.0.dev24 Source cves: CVE-2026-33309 Source advisory: SNYK:PYTHON-LANGFLOWBASE-15702032...

External Control of File Name or Path

Overview Affected versions of this package are vulnerable to External Control of File Name or Path in the POST /api/v2/files/ endpoint. An attacker can execute arbitrary code, overwrite critical files, or gain unauthorized access by uploading files with crafted filenames that bypass containment...

GHSA-G2J9-7RJ2-GM6C Langflow has an Arbitrary File Write (RCE) via v2 API

Summary While reviewing the recent patch for CVE-2025-68478 External Control of File Name in v1.7.1, I discovered that the root architectural issue within LocalStorageService remains unresolved. Because the underlying storage layer lacks boundary containment checks, the system relies entirely on...