EUVD-2026-75771
GHSA-c28j-rh28-j7f7
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible interface requires only low-privilege authentication; flow name injection achieves full system compromise with no additional conditions or user interaction.
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 authenticated attacker to execute arbitrary code due to improper neutralization of special characters in flow display names.
AnalysisAI
Remote code execution in IBM Langflow OSS 1.0.0 through 1.11.5 allows any authenticated low-privileged user to inject and execute arbitrary server-side code by embedding special characters in flow display names. The root cause is inadequate neutralization of user-controlled input before it enters a code-generation or evaluation context (CWE-94), yielding full host compromise across confidentiality, integrity, and availability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated session with at least low-privilege access to the IBM Langflow OSS web interface (PR:L per CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects a high-severity but access-gated vulnerability: any authenticated user, including those with only basic privileges, can exploit this remotely with no special configuration and no user interaction. … 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 | Apply the vendor-supplied patch per the IBM advisory at https://www.ibm.com/support/pages/node/7286666 - the exact fixed version number is not independently confirmed from the available input data and must be verified directly with the advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all systems running IBM Langflow OSS 1.0.0-1.11.5 and restrict access to essential administrative accounts only; review authentication logs for any suspicious activity. …
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Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
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