CVE-2024-8053

Improper Authentication in open-webui/open-webui

Published Mar 20, 2025 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-6921 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.
Github GHSA Github GHSA GHSA-9vf8-xgwm-97r8 Open WebUI lacks authentication for the `api/v1/utils/pdf` endpoint
History
Type Values Removed Values Added
Weaknesses CWE-287
Type Values Removed Values Added
First Time appeared Openwebui
Openwebui open Webui
Weaknesses CWE-306
CPEs cpe:2.3:a:openwebui:open_webui:0.3.10:*:*:*:*:*:*:*
Vendors & Products Openwebui
Openwebui open Webui
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Improper Authentication in open-webui/open-webui
Weaknesses CWE-287
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
@huntr_ai
Published
Updated
Mar 27, 2025, 10:44 AM
Reserved
Aug 21, 2024, 5:43 PM
Status
Modified
Published
Mar 20, 2025, 10:15 AM
Modified
Jun 17, 2026, 8:21 AM