CVE-2025-71333

CRITICAL
Published Jun 25, 2026 Modified Jul 1, 2026 CWE-73

Description

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.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0061
Probability of exploitation
0.45%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-73 CWE-73

Affected Products

Vendor Product
flowiseai flowise

References

Frequently Asked Questions

What is 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 upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2025-71333? +
CVE-2025-71333 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0061, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2025-71333? +
CVE-2025-71333 affects products from flowiseai, specifically: flowise. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-71333? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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