EUVD-2026-75784
GHSA-82x2-gm4f-9fwx
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable code injection during graph construction yields full RCE, so AV:N/AC:L/PR:N/UI:N with high C/I/A; scope unchanged as code runs within the Langflow process.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Remote code execution in IBM Langflow OSS versions 1.0.0 through 1.11.5 allows an unauthenticated remote attacker to run arbitrary code by injecting malicious code that is evaluated during graph construction (CWE-94). Because Langflow is a visual framework for building LLM/agent workflows whose flows are assembled into executable graphs, a crafted flow definition submitted to the server is interpreted as code rather than data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network reachability to a Langflow OSS instance running 1.0.0 through 1.11.5 and the ability to submit a flow/graph definition that is processed by the vulnerable graph-construction path; per the CVSS vector (AV:N/AC:L/PR:N/UI:N) no authentication or user interaction is required against a reachable instance. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority issue: the CVSS 3.1 base score of 9.8 aligns with the vector (network, low complexity, no privileges, no user interaction, high C/I/A), and CWE-94 code injection yielding RCE is directly actionable. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to a fixed release per IBM's advisory at https://www.ibm.com/support/pages/node/7286666 (Patch available per vendor advisory; a specific fixed version above 1.11.5 was not included in the provided input data, so confirm the exact patched build from the advisory before deploying). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an inventory of all systems running IBM Langflow OSS to identify affected versions (1.0.0-1.11.5) and document their criticality and exposure level. …
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Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
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