What is CVE-2026-41274?

CVE-2026-41274 is a critical-severity vulnerability in Flowiseai Flowise, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 9.8/10. Published 2026-04-23.

How severe is CVE-2026-41274?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Flowiseai Flowise

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.

EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flowiseai Flowise — versions < 3.1.0
Flowiseai Flowise-components — versions < 3.1.0

Weakness classification (CWE)

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

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41274?: CVE-2026-41274 is a critical-severity vulnerability in Flowiseai Flowise, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 9.8/10. Published 2026-04-23.
How severe is CVE-2026-41274?: Critical severity. CVSS v3 base score is 9.8 out of 10.