What is CVE-2026-41267?

CVE-2026-41267 is a high-severity vulnerability in Flowiseai Flowise, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-04-23.

How severe is CVE-2026-41267?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Flowiseai Flowise

CVE-2026-41267

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, an improper mass assignment (JSON injection) vulnerability in the account registration endpoint of Flowise Cloud allows unauthenticate…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.008 (74.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flowiseai Flowise — versions < 3.1.0

Weakness classification (CWE)

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-48m6-ch88-55mj (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-41267?: CVE-2026-41267 is a high-severity vulnerability in Flowiseai Flowise, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-04-23.
How severe is CVE-2026-41267?: High severity. CVSS v3 base score is 8.1 out of 10.