What is CVE-2026-41269?

CVE-2026-41269 is a high-severity vulnerability in Flowiseai Flowise, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.1/10. Published 2026-04-23.

How severe is CVE-2026-41269?

High severity. CVSS v3 base score is 7.1 out of 10.

Arbitrary file upload in Flowiseai Flowise

CVE-2026-41269

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the Chatflow configuration file upload settings can be modified to allow the application/javascript MIME type. This lets an attacker u…

Vulnerability class: Unrestricted File Upload

EPSS: 0.001 (34.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Flowiseai Flowise — versions < 3.1.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-rh7v-6w34-w2rr (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-41269?: CVE-2026-41269 is a high-severity vulnerability in Flowiseai Flowise, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.1/10. Published 2026-04-23.
How severe is CVE-2026-41269?: High severity. CVSS v3 base score is 7.1 out of 10.