CVE-2026-76059 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 An attacker who could submit custom component source code could bypass the static security scanner by crafting an annotated class-body assignment that resolved to a dangerous callable through alias tracking; the resolved value was never checked against the...

CVE-2026-78569 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 an authenticated attacker to execute arbitrary code due to an incomplete denylist in the security scanner...

CVE-2026-78569

IBM Langflow OSS (versions 1.0.0 through 1.11.5) is vulnerable to arbitrary code execution by an authenticated attacker due to an incomplete denylist in its agentic assistant code security scanner. The scanner omits process-spawning primitives and contains a logic error where annotated class-body...

CVE-2026-78569 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 an authenticated attacker to execute arbitrary code due to an incomplete denylist in the security scanner...

CVE-2026-78571 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 unguarded eval call on attacker-controlled input...

CVE-2026-78571 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 unguarded eval call on attacker-controlled input...

CVE-2026-78575

IBM Langflow OSS 1.0.0–1.11.5 is vulnerable to OS command injection (CWE-78) in the MCP stdio server configuration , allowing a remote authenticated attacker to execute arbitrary commands. The root cause involves two gaps: the MCP stdio validator on Windows recognizes only one cmd.exe execution s...

CVE-2026-78575 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 commands due to improper validation of command-line arguments in the MCP stdio server configuration...

CVE-2026-78575 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 commands due to improper validation of command-line arguments in the MCP stdio server configuration...

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-2026-79724 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 OS commands due to improper neutralization of special elements used in an OS command...

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 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-2026-81211

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-2026-81211 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...