CVE-2024-12537: Unauthenticated Denial of Service in open-webui/open-webui
Description
In version 0.3.32 of open-webui/open-webui, the absence of authentication mechanisms allows any unauthenticated attacker to access the `api/v1/utils/code/format` endpoint. If a malicious actor sends a POST request with an excessively high volume of content, the server could become completely unresponsive. This could lead to severe performance issues, causing the server to become unresponsive or experience significant degradation, ultimately resulting in service interruptions for legitimate users.
Classification
CVE ID: CVE-2024-12537
CVSS Base Severity: HIGH
CVSS Base Score: 7.5
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types
CWE-400 Uncontrolled Resource ConsumptionAffected Products
Vendor: open-webui
Product: open-webui/open-webui
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.26% (probability of being exploited)
EPSS Percentile: 49.03% (scored less or equal to compared to others)
EPSS Date: 2025-04-18 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2024-12537https://huntr.com/bounties/edabd06c-acc0-428c-a481-271f333755bc