CVE-2025-71333

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-06-25

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 upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.

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Exploitation outlook

Low exploitation risk0.61% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2025-71333: Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /…nvd · 2026-06-25

External references

NVD record for CVE-2025-71333

CVE.org record

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