What is CVE-2026-43995?

CVE-2026-43995 is a critical-severity vulnerability in Flowiseai Flowise, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2026-05-11.

How severe is CVE-2026-43995?

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

SSRF in Flowiseai Flowise

CVE-2026-43995

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, multiple tool implementations directly import and invoke raw HTTP clients (node-fetch, axios) instead of using the secured wrapper. Th…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.001 (20.6th 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-918 — Server-Side Request Forgery (SSRF)

References

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

Frequently asked questions

What is CVE-2026-43995?: CVE-2026-43995 is a critical-severity vulnerability in Flowiseai Flowise, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2026-05-11.
How severe is CVE-2026-43995?: Critical severity. CVSS v3 base score is 9.8 out of 10.