How severe is CVE-2024-36420?

CVE-2024-36420 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-36420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-36420?

CVE-2024-36420 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-36420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-36420 have an EU (EUVD) identifier?

Yes. CVE-2024-36420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2594.

When was CVE-2024-36420 published?

CVE-2024-36420 was published on 2024-07-01 and last updated on 2026-06-17.

CVE-2024-36420

CVE-2024-36420 is a high-severity vulnerability in Flowiseai Flowise with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2594
Weakness: CWE-74
Affected product: Flowiseai Flowise
Published: 2024-07-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-36420?: 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.
How severe is CVE-2024-36420?: CVE-2024-36420 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-36420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-36420?: CVE-2024-36420 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-36420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-36420 have an EU (EUVD) identifier?: Yes. CVE-2024-36420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2594.
When was CVE-2024-36420 published?: CVE-2024-36420 was published on 2024-07-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:flowiseai:flowise:1.4.3:*:*:*:*:*:*:*

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