CVE-2026-33017: Unauthenticated RCE in Langflow Public Flow Build
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability
Langflow contains an unauthenticated remote code execution vulnerability in its public flow build endpoint due to unsafe execution of attacker-controlled node definitions. A security advisory has been published with a patch available.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Infrastructure vulnerabilityCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Infrastructure vulnerability
- owasp llm top 10
- mitre atlas
- no technique for these categoriesBoth rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling
- products
- Langflow
- incident date
- 17 Mar 2026
- first reported
- 17 Mar 2026
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2026-33017 · rce · langflow
- record
- created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json
Sources · 2
- 2026-03-17CVE-2026-33017: Unauthenticated Remote Code Execution in Langflow via Public Flow Build EndpointGitHub Advisory Database · github.com/advisories/GHSA-vwmf-pq79-vjvx
- 2026-03-20CVE-2026-33017: Langflow is a tool for building and deploying AI-powered agents and workflows.NVD · nvd.nist.gov/vuln/detail/CVE-2026-33017
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