What is CVE-2026-56273?

CVE-2026-56273 is a medium-severity vulnerability in Flowise, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-07-08.

How severe is CVE-2026-56273?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Flowise

CVE-2026-56273

Flowise before 3.1.0 contains a path traversal vulnerability in Faiss and SimpleStore vector store implementations that accept unsanitized basePath parameters from authenticated users. Attackers with valid API tokens can write vector store…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Flowise — versions 0, 3.1.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2026-56273?: CVE-2026-56273 is a medium-severity vulnerability in Flowise, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-07-08.
How severe is CVE-2026-56273?: Medium severity. CVSS v3 base score is 6.5 out of 10.