CVE-2026-17633: high-severity vulnerability in IBM Langflow OSS
Langflow OSS is affected by arbitrary code execution in component generation, validation, and custom component handling
Published · Updated
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41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.5epss 0.7%
from disclosure to weapon41 days
Published on NVDAug 5
1st PoC+41d
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary code due to code injection.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
IBM · Langflow OSSpublic PoCs found — 1
githubgithub.com/Oscar-Collado/langflow-CVE-2026-17633-PoC★ 1⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — IBM Langflow OSS
In the same product, most dangerous first.
CVE-2026-9198CRITICALUnauthenticated Remote Code Execution via Auto-Login Bypass and Code ValidationEPSS 28.7%KEVCVE-2026-93674CRITICALLangflow OSS is affected by multiple vulnerabilitiesEPSS 15.3%CVE-2026-9103CRITICALUnauthenticated Superuser Token Issuance via Auto-Login EndpointEPSS 3.2%CVE-2026-10134CRITICALUnauthenticated Server-Side RCE via PythonCodeStructuredTool in Public FlowsEPSS 2.3%CVE-2026-93680CRITICALLangflow OSS is affected by multiple vulnerabilitiesEPSS 2.2%CVE-2026-19295CRITICALLangflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcementEPSS 1.6%