What is CVE-2025-71333?

CVE-2025-71333 is a critical-severity vulnerability in Flowise, classified under External Control of File Name or Path. CVSS score: 9.8/10. Published 2026-06-25.

How severe is CVE-2025-71333?

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

Vulnerability in Flowise

CVE-2025-71333

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upl…

EPSS: 0.008 (52.9th 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

Flowise — versions 0
Flowiseai Flowise

Weakness classification (CWE)

CWE-73 — External Control of File Name or Path

References

disclosure@vulncheck.com (Exploit, vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-71333?: CVE-2025-71333 is a critical-severity vulnerability in Flowise, classified under External Control of File Name or Path. CVSS score: 9.8/10. Published 2026-06-25.
How severe is CVE-2025-71333?: Critical severity. CVSS v3 base score is 9.8 out of 10.