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CVE-2024-8053— Improper Authentication in open-webui/open-webui

Quick assessment

Affected
open-webui open-webui/open-webui
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Open WebUI是Open WebUI开源的一个可扩展、功能丰富、用户友好的自托管 WebUI。 Open WebUI v0.3.10版本存在安全漏洞，该漏洞源于api/v1/utils/pdf端点缺乏身份验证机制，允许未经验证的攻击者访问PDF生成服务，可能导致服务器资源耗尽和拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 0.62% · P47
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I. Basic Information for CVE-2024-8053

Vulnerability Information
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Vulnerability Title
Improper Authentication in open-webui/open-webui
Source: CVE Program / CVE List V5
Vulnerability Description
In version v0.3.10 of open-webui/open-webui, the `api/v1/utils/pdf` endpoint lacks authentication mechanisms, allowing unauthenticated attackers to access the PDF generation service. This vulnerability can be exploited by sending a POST request with an excessively large payload, potentially leading to server resource exhaustion and denial of service (DoS). Additionally, unauthorized users can misuse the endpoint to generate PDFs without verification, resulting in service misuse and potential operational and financial impacts.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Open WebUI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open WebUI是Open WebUI开源的一个可扩展、功能丰富、用户友好的自托管 WebUI。 Open WebUI v0.3.10版本存在安全漏洞，该漏洞源于api/v1/utils/pdf端点缺乏身份验证机制，允许未经验证的攻击者访问PDF生成服务，可能导致服务器资源耗尽和拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
open-webui open-webui/open-webui unspecified ~ latest -

II. Public POCs for CVE-2024-8053

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III. Intelligence Information for CVE-2024-8053

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Vendor Advisories for CVE-2024-8053 (1)

Same Patch Batch · open-webui · 2025-03-20 · 7 CVEs total

CVE-2024-7044 Stored XSS in open-webui/open-webui
CVE-2024-7806 Remote Code Execution by Non-Admin Users via CSRF in open-webui/open-webui
CVE-2024-7035 Cross-Site Request Forgery (CSRF) in open-webui/open-webui
CVE-2024-7983 Denial of Service in open-webui/open-webui
CVE-2024-7043 Improper Access Control in open-webui/open-webui
CVE-2024-8017 Cross-site Scripting (XSS) in open-webui/open-webui

IV. Related Vulnerabilities

Same product: open-webui/open-webui
Same vendor: open-webui
Same weakness: CWE-306

V. Comments for CVE-2024-8053

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