EUVD-2026-53577
GHSA-r7q3-v7gf-v75h
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible RCE requiring only low-privilege authentication, no user interaction, scope unchanged; arbitrary code execution yields full CIA impact on the vulnerable host.
Primary rating from Vendor (ibm).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
5DescriptionNVD
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary code due to code injection.
AnalysisAI
Remote code execution in IBM Langflow OSS 1.0.0 through 1.10.3 is achievable by remote attackers holding low-privilege credentials via server-side code injection (CWE-94). The CVSS score of 8.8 reflects full confidentiality, integrity, and availability impact with a low-complexity network attack path requiring only valid user authentication. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires possession of a valid low-privilege user account on the target IBM Langflow OSS instance, as confirmed by the CVSS PR:L metric. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score is grounded in real impact: network-accessible, low-complexity, low-privilege RCE with full CIA compromise on the affected host. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with any valid low-privilege Langflow OSS account submits a crafted workflow or expression payload through a normal user-facing interface - such as a custom component, code block, or evaluator node - that the application interprets as executable server-side code. The payload executes in the context of the application process, granting the attacker arbitrary command execution on the underlying host. … |
| Remediation | Apply the vendor-released patch per the IBM security advisory at https://www.ibm.com/support/pages/node/7282646. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running IBM Langflow OSS versions 1.0.0-1.10.3 and restrict access to essential personnel pending remediation. …
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Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
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