CVE-2026-9130 Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

IBM Langflow OSS 1.0.0 through 1.10.3 contain an authorization bypass vulnerability in the MemoryComponent that allows authenticated users to access chat history of other users via sessionid collision. The MemoryComponent.retrievemessages and storemessage methods filter on sessionid without...

CVE-2026-9130

IBM Langflow OSS 1.0.0 through 1.10.3 contain an authorization bypass vulnerability in the MemoryComponent that allows authenticated users to access chat history of other users via sessionid collision. The MemoryComponent.retrievemessages and storemessage methods filter on sessionid without...

CVE-2026-10547 Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST /api/v1/build/flowid/vertices endpoint, allowing an authenticated user to inject arbitrary graph data into a shared cache for any flow. This may result in cross-user cache pollution, unauthorized...

CVE-2026-10547

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST /api/v1/build/flowid/vertices endpoint, allowing an authenticated user to inject arbitrary graph data into a shared cache for any flow. This may result in cross-user cache pollution, unauthorized...

CVE-2026-7869

IBM Langflow OSS 1.0.0 through 1.10.3 is vulnerable to Path Traversal in the Knowledge Bases API POST /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are used directly to create file paths without proper sanitization or containment checks. An authenticated attacker...

CVE-2026-7869 Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

IBM Langflow OSS 1.0.0 through 1.10.3 is vulnerable to Path Traversal in the Knowledge Bases API POST /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are used directly to create file paths without proper sanitization or containment checks. An authenticated attacker...

CVE-2026-8470

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 use Python's non-cryptographic random module for generating Fernet encryption keys from user secrets under 32 characters. The deterministic Mersenne Twister PRNG produces identical keys for...

CVE-2026-8470 Langflow is affected by weaknesses in secret handling and sensitive configuration access

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 use Python's non-cryptographic random module for generating Fernet encryption keys from user secrets under 32 characters. The deterministic Mersenne Twister PRNG produces identical keys for...

CVE-2026-8470

IBM Langflow OSS versions 1.0.0–1.10.3 generate Fernet encryption keys from user secrets using Python’s non-cryptographic random module. The deterministic Mersenne Twister PRNG yields identical keys for identical seeds, enabling an attacker to reproduce encryption keys and decrypt stored API keys...

CVE-2026-9205

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensurefernetkey function...

CVE-2026-9205 Langflow is affected by weaknesses in secret handling and sensitive configuration access

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensurefernetkey function...

CVE-2026-9205

CVE-2026-9205 affects IBM Langflow OSS. A weakness in the cryptographic key derivation in the ensure_fernet_key() function could expose protected secrets and compromise confidentiality and integrity. The NVD and IBM advisories list Langflow OSS versions 1.0.0–1.10.3 as affected, with a remediatio...

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...

CVE-2026-10128 Langflow is affected by weaknesses in secret handling and sensitive configuration access

IBM Langflow OSS 1.0.0 through 1.10.3 allows authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite security controls intended to disable custom components...

CVE-2026-10128

CVE-2026-10128 affects IBM Langflow OSS versions 1.0.0 through 1.10.3. Authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite controls intended to disable custom components. The issue stems from weaknesses i...

CVE-2026-10128

IBM Langflow OSS 1.0.0 through 1.10.3 allows authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite security controls intended to disable custom components...

CVE-2026-9081 Langflow OSS is affected by server-side request forgery in provider validation and API request functionality

IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery SSRF vulnerability in the validatemodelproviderkey function for the Ollama provider. The function accepts a user-supplied OLLAMABASEURL parameter and passes it directly to requests.get without...

CVE-2026-9081

IBM Langflow OSS (versions 1.0.0–1.10.3) is affected by an SSRF in the Ollama provider due to validate_model_provider_key() accepting a user-supplied OLLAMA_BASE_URL and passing it directly to requests.get() without validating scheme/host allowlisting or private IP filtering. This can allow an at...

CVE-2026-9081

IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery SSRF vulnerability in the validatemodelproviderkey function for the Ollama provider. The function accepts a user-supplied OLLAMABASEURL parameter and passes it directly to requests.get without...

CVE-2026-7657 Langflow OSS is affected by server-side request forgery in provider validation and API request functionality

IBM Langflow OSS 1.0.0 through 1.10.3 Langflow could allow server-side request forgery SSRF due to incomplete and ineffective SSRF protection enforcement...