VulnCheck KEV: 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...

EUVD-2026-91120

Langflow: Title Authenticated Remote Code Execution in validatecode via Malicious Decorators Description...

GHSA-QQW9-2VJ9-HX7R Duplicate Advisory: Title Authenticated Remote Code Execution in validate_code via Malicious Decorators Description

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-w584-2h2r-2hvf. This link is maintained to preserve external references. Original Description langflow-ai langflow v1.9.3 is affected by: Code Injection. The impact is: execute arbitrary code remote. The compone...

EUVD-2026-91119

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:...

Duplicate Advisory: Title Authenticated Remote Code Execution in validate_code via Malicious Decorators Description

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-w584-2h2r-2hvf. This link is maintained to preserve external references. Original Description langflow-ai langflow v1.9.3 is affected by: Code Injection. The impact is: execute arbitrary code remote. The compone...

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:...

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...

PT-2026-104044

Name of the Vulnerable Software and Affected Versions langflow-ai langflow versions prior to 1.8.5 Description A directory traversal flaw exists where a public-facing HTTP route handler forwards attacker-controlled paths or filenames into host file creation without boundary enforcement. This allo...

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...

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:...

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:...

CVE-2026-51888: Improper Limitation of a Pathname to a Restricted Directory

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: Improper Control of Generation of Code

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

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-2026-51886

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-2026-51886

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...

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-2026-12822: Improper Control of Generation of Code

A vulnerability was identified in langflow-ai langflow up to 1.9.3. This affects an unknown function of the component Bundle URL Loader. The manipulation leads to code injection. The attack needs to be performed locally. The vendor was contacted early about this disclosure but did not respond in...

CVE-2026-7700 langflow-ai langflow LambdaFilterComponent lambda_filter.py eval code injection

A weakness has been identified in langflow-ai langflow up to 1.10.2. This affects the function eval of the file src/lfx/src/lfx/components/llmoperations/lambdafilter.py of the component LambdaFilterComponent. Executing a manipulation can lead to code injection. The attack may be performed from...

CVE-2026-7687: Improper Neutralization of Special Elements used in a Command

A vulnerability was determined in langflow-ai langflow up to 1.8.4. Affected by this issue is the function CodeParser.parsecallabledetails of the file src/lfx/src/lfx/custom/codeparser/codeparser.py of the component Full Builtins Module Handler. Executing a manipulation can lead to command...