What is CVE-2026-56268?

CVE-2026-56268 is a high-severity vulnerability in Flowise, classified under Incorrect Authorization. CVSS score: 7.7/10. Published 2026-06-22.

How severe is CVE-2026-56268?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Flowise

CVE-2026-56268

Flowise before 3.1.2 contains an information disclosure vulnerability in the /api/v1/chatflows/apikey/:apikey endpoint. When the keyonly query parameter is omitted (the default), the endpoint returns not only the chatflows bound to the sup…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Flowise — versions 0, 3.1.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56268?: CVE-2026-56268 is a high-severity vulnerability in Flowise, classified under Incorrect Authorization. CVSS score: 7.7/10. Published 2026-06-22.
How severe is CVE-2026-56268?: High severity. CVSS v3 base score is 7.7 out of 10.