Vulnerability Intelligence Report
Flowise: Cypher Injection in GraphCypherQAChain
CVE-2026-41274
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.
No Active Exploit Signals
CVSS Base Score
9.3
CRITICAL
EPSS Probability:0.50%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-943 ↗CWE-943: Improper Neutralization of Special Elements in Data Query Logic
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| FlowiseAI | Flowise | < 3.1.0 (affected) |
| FlowiseAI | flowise-components | < 3.1.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.504%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | GitHub, Inc. · Vendor · USA |
| Reserved | 2026-04-18T14:01:46 |
| Published | 2026-04-23T21:12:51 |
| Last Updated | 2026-04-24T18:19:51 |
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