← Vulnerability feed

Vulnerability record · CVE-2024-9340 · published 20 March 2025

CVE-2024-9340: Zenml vulnerability

Zenml · Zenml

A Denial of Service (DoS) vulnerability in zenml-io/zenml version 0.66.0 allows unauthenticated attackers to cause excessive resource consumption by sending malformed multipart requests with arbitrary characters appended to the end of multipart boundaries. This flaw in the multipart request boundary processing mechanism leads to an infinite loop, resulting in a complete denial of service for all users. Affected endpoints include `/api/v1/login` and `/api/v1/device_authorization`.

7.5 CVSS 3.0 High EPSS 0.95% · top 40.2% CWE-835 · CWE-835
7.5CVSS 3.0 base score
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A Denial of Service (DoS) vulnerability in zenml-io/zenml version 0.66.0 allows unauthenticated attackers to cause excessive resource consumption by sending malformed multipart requests with arbitrary characters appended to the end of multipart boundaries. This flaw in the multipart request boundary processing mechanism leads to an infinite loop, resulting in a complete denial of service for all users. Affected endpoints include `/api/v1/login` and `/api/v1/device_authorization`.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/zenml-io/zenml/commit/cba152eb9ca3071c8372b0b91c02d9d3351de48d Patch
https://huntr.com/bounties/c9200654-7dc0-4c1d-8573-ab79a87fb4f6 ExploitThird Party Advisory

Track CVE-2024-9340 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2024-2083Zenml vulnerabilityA directory traversal vulnerability exists in the zenml-io/zenml repository, specifically within the /api/v1/steps endpoint. Attackers can exploit th…EPSS 37%8.8CVE-2024-4680Zenml insufficient session expiration vulnerabilityA vulnerability in zenml-io/zenml version 0.56.3 allows attackers to reuse old session credentials or session IDs due to insufficient session expirat…EPSS 0.41%8.8CVE-2024-28424Zenml code injection vulnerabilityzenml v0.55.4 was discovered to contain an arbitrary file upload vulnerability in the load function at /materializers/cloudpickle_materializer.py. Th…EPSS 0.71%8.8CVE-2024-25723ZenML Server activate endpoint allows remote privilege escalationZenML Server before 0.46.7 exposes the /api/v1/users/{user_name_or_id}/activate REST endpoint, which grants access based on a valid username plus a n…EPSS 71%analysed7.8CVE-2025-8406Zenml path traversal vulnerabilityZenML version 0.83.1 is affected by a path traversal vulnerability in the `PathMaterializer` class. The `load` function uses `is_path_within_director…EPSS 0.37%6.5CVE-2024-2035Zenml missing authorization vulnerabilityAn improper authorization vulnerability exists in the zenml-io/zenml repository, specifically within the API PUT /api/v1/users/id endpoint. This vuln…EPSS 0.63%6.1CVE-2024-5062Zenml cross-site scripting vulnerabilityA reflected Cross-Site Scripting (XSS) vulnerability was identified in zenml-io/zenml version 0.57.1. The vulnerability exists due to improper neutra…EPSS 0.39%6.1CVE-2024-2383Zenml clickjacking vulnerabilityA clickjacking vulnerability exists in zenml-io/zenml versions up to and including 0.55.5 due to the application's failure to set appropriate X-Frame…EPSS 0.36%

Source: NIST National Vulnerability Database (record CVE-2024-9340), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.