What is CVE-2026-41270?

CVE-2026-41270 is a high-severity vulnerability in Flowiseai Flowise, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-04-23.

How severe is CVE-2026-41270?

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

SSRF in Flowiseai Flowise

CVE-2026-41270

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) protection bypass vulnerability exists in the Custom Function feature. While the application impl…

EPSS: 0.001 (24.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

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

Weakness classification (CWE)

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-xhmj-rg95-44hv (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-41270?: CVE-2026-41270 is a high-severity vulnerability in Flowiseai Flowise, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-04-23.
How severe is CVE-2026-41270?: High severity. CVSS v3 base score is 7.1 out of 10.