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Description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GraphCypherQAChain node forwards user-provided input directly into the Cypher query execution pipeline without proper sanitization. An attacker can inject arbitrary Cypher commands that are executed on the underlying Neo4j database, enabling data exfiltration, modification, or deletion. This vulnerability is fixed in 3.1.0.

PUBLISHED Reserved 2026-04-18 | Published 2026-04-23 | Updated 2026-04-24 | Assigner GitHub_M




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-943: Improper Neutralization of Special Elements in Data Query Logic

Product status

< 3.1.0
affected

< 3.1.0
affected

References

github.com/...lowise/security/advisories/GHSA-28g4-38q8-3cwc exploit

github.com/...lowise/security/advisories/GHSA-28g4-38q8-3cwc

cve.org (CVE-2026-41274)

nvd.nist.gov (CVE-2026-41274)

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