CVE-2024-36420

Name: CVE-2024-36420
Creator: NVD / NIST
Published: 2024-07-01T16:15:04.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.76%

Last modified Jun 17, 2026

CVE-2024-36420 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Flowise is a drag & drop user interface to build a customized large language model flow. In version 1.4.3 of Flowise, the `/api/v1/openai-assistants-file` endpoint in `index.ts` is vulnerable to arbitrary file read due to lack of sanitization of the `fileName` body parameter. EPSS estimates a 1.76% chance of exploitation in the next 30 days.

Description

Flowise is a drag & drop user interface to build a customized large language model flow. In version 1.4.3 of Flowise, the `/api/v1/openai-assistants-file` endpoint in `index.ts` is vulnerable to arbitrary file read due to lack of sanitization of the `fileName` body parameter. No known patches for this issue are available.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.76%

75.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Flowiseai	Flowise	1.4.3

References

https://github.com/FlowiseAI/Flowise/blob/e93ce07851cdc0fcde12374f301b8070f2043687/packages/server/src/index.ts#L982Product
https://securitylab.github.com/advisories/GHSL-2023-232_GHSL-2023-234_Flowise/Exploit, Third Party Advisory
https://github.com/FlowiseAI/Flowise/blob/e93ce07851cdc0fcde12374f301b8070f2043687/packages/server/src/index.ts#L982Product
https://securitylab.github.com/advisories/GHSL-2023-232_GHSL-2023-234_Flowise/Exploit, Third Party Advisory

Timeline

Published: Jul 1, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-36420?

How severe is CVE-2024-36420?

CVE-2024-36420 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.

How do I fix CVE-2024-36420?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-36420?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST