What is CVE-2026-41268?

CVE-2026-41268 is a critical-severity vulnerability in Flowiseai Flowise, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-04-23.

How severe is CVE-2026-41268?

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

Improper input validation in Flowiseai Flowise

CVE-2026-41268

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, Flowise is vulnerable to a critical unauthenticated remote command execution (RCE) vulnerability. It can be exploited via a parameter…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.138 (96.1th 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

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2026-41268?: CVE-2026-41268 is a critical-severity vulnerability in Flowiseai Flowise, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-04-23.
How severe is CVE-2026-41268?: Critical severity. CVSS v3 base score is 9.8 out of 10.