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Exploitation reportedNot in CISA KEV yet

CVE-2024-36420

Exploitation reported by one source. First attested on 2026-07-17 by GCVE · kevintel.

  • Published2024-07-01
  • WeaknessCWE-74

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2024-07-0116:15CVE publishedNVD
  2. 2026-07-1708:33Listed as exploited by GCVEGCVE
  3. 2026-07-1708:33Exploitation first reportedGCVE

Versions per branch

OSV · NVD · CISA-ADP
flowise
BranchAffectedFixed in
1.4≤ 1.4.3no fix published
Flowiseai flowise
BranchAffectedFixed in
1.4= 1.4.3no fix published
1.4≤ 1.4.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • FlowiseAI Flowise
    Affected
    • = <= 1.4.3no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-07-01

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-01 01:02 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2024-07-01
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h997-3fxj-p5j8

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.

Is CVE-2024-36420 actively exploited?

Active exploitation of CVE-2024-36420 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-36420?

CVE-2024-36420 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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