CVE-2026-79724

IBM Langflow OSS versions 1.0.0 through 1.11.5 are affected by an OS command injection vulnerability (CWE-78) caused by multiple incomplete code security controls and missing execution guards, including an incomplete denylist omitting process-spawning primitives, a logic error in the code scanner...

CVE-2026-79725 Langflow is vulnerable to unauthorized file system access due to path traversal and missing storage path validation

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to read arbitrary files due to improper access control...

CVE-2026-79725

IBM Langflow OSS versions 1.0.0 through 1.11.5 are affected by an improper access control flaw (CWE-284 ) that allows a remote authenticated attacker to read arbitrary files. The vulnerability is part of a broader set of storage-path issues: the flow execution runtime accepts attacker-controlled ...

CVE-2026-79742 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary code due to an incomplete environment variable blocklist...

CVE-2026-79742 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary code due to an incomplete environment variable blocklist...

CVE-2026-79742

IBM Langflow OSS versions 1.0.0 through 1.11.5 are affected by an incomplete environment variable blocklist in the MCP stdio server configuration. The specific root cause is that the OPENSSL_CONF environment variable is absent from the blocklist, permitting native code execution via OpenSSL engin...

CVE-2026-81204 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to execute arbitrary code due to code injection during graph construction...

CVE-2026-81204

IBM Langflow OSS (versions 1.0.0 through 1.11.5) is vulnerable to unauthenticated remote code execution (CVSS 9.8, CRITICAL) caused by code injection during graph construction (CWE-94). The root cause involves the lfx CodeParser passing return-type annotation source directly to eval without sanit...

CVE-2026-81204 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to execute arbitrary code due to code injection during graph construction...

CVE-2026-81211 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows...

CVE-2026-81211

IBM Langflow OSS versions 1.0.0 through 1.11.5 are vulnerable to arbitrary Python code execution by a remote authenticated attacker. The root cause is a missing authorization check (CWE-862): the LANGFLOW_CUSTOM_COMPONENT_ADMIN_ONLY policy is enforced on the direct custom-component endpoint but n...

CVE-2026-81211 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows...

CVE-2026-81941

IBM Langflow OSS versions 1.0.0 through 1.11.5 are vulnerable to arbitrary operating system command execution when an authenticated non-administrative user constructs a flow with an MCP Tools component configured to use a local stdio subprocess transport. This bypasses both the LANGFLOW_CUSTOM_CO...

CVE-2026-81941 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 allows an authenticated non-administrative user could execute arbitrary operating system commands on the server at the privilege level of the application process by constructing a flow with an MCP Tools component configured to use a local stdio subprocess...

CVE-2026-81941 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 allows an authenticated non-administrative user could execute arbitrary operating system commands on the server at the privilege level of the application process by constructing a flow with an MCP Tools component configured to use a local stdio subprocess...

CVE-2026-81213 Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to obtain sensitive information from internal network resources due to improper validation of user-supplied URLs...

CVE-2026-81213 Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to obtain sensitive information from internal network resources due to improper validation of user-supplied URLs...

CVE-2026-81213

IBM Langflow OSS versions 1.0.0 through 1.11.5 are vulnerable to Server-Side Request Forgery (SSRF) (CWE-918) due to missing egress validation on server-side URL fetches. Multiple components fail to apply the platform's shared SSRF guard: the MCP server configuration URL field, the automatic tool...

CVE-2026-81268 Langflow is vulnerable to authentication bypass and insufficient session expiration

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute flows and obtain sensitive information due to insufficient session expiration of API keys after user deactivation...

CVE-2026-81268

IBM Langflow OSS 1.0.0–1.11.5 is vulnerable to authentication bypass and insufficient session expiration due to two distinct flaws. First, MCP HTTP API credential resolvers fail to apply the AUTO_LOGIN API-key guard that standard endpoints enforce, causing unauthenticated requests to MCP endpoint...