CVE-2026-44550 Details
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, FolderForm uses model_config = ConfigDict(extra='allow'), which permits arbitrary fields to pass through Pydantic validation and be included in model_dump(exclude_unset=True). In insert_new_folder, the server-assigned user_id is placed at the start of the dict and then overwritten by the spread of form data. Because FolderModel declares user_id: str as a real field (not just a form extra), any attacker-supplied user_id in the POST body is accepted by the model and persisted on the Folder row. This vulnerability is fixed in 0.9.0.
View at NVD
Exploit prediction scoring system (EPSS) score for CVE-2026-44550
EPSS (Exploit Prediction Scoring System): EPSS predicts the likelihood that a vulnerability will be exploited in the wild. A higher percentage means a greater chance of an exploit occurring. The EPSS model produces a probability score between 0 and 1 (0 and 100%).
0.29 Probability of exploitation activity being observed over the next 30 days (20th percentile)
CVSS score for CVE-2026-44550
CVSS (Common Vulnerability Scoring System): An open framework owned and managed by FIRST.Org, Inc. that assigns a numerical score from 0 to 10 to software vulnerabilities to indicate their severity.
5 Medium
Products affected by CVE-2026-44550
Open Webui 0.4.8
Open Webui 0.5.10
Open Webui 0.5.14
Open Webui 0.5.16
Open Webui 0.5.19
DVE Score by Bitsight AI
DVE scores complement traditional static scoring systems like CVSS with Bitsight AI powered real-time threat intelligence and underground cyber criminal activity so that security teams can reduce alert fatigue and focus on vulnerabilities most likely to be exploited.
Low
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CVE-2026-44550 Global Footprint

Top 10 Identified Countries

Country Observations Percentage
US 1,012 24.66%
DE 642 15.65%
CN 538 13.11%
FR 181 4.41%
SG 169 4.12%
RU 150 3.66%
GB 137 3.34%
KR 112 2.73%
NL 87 2.12%
JP 81 1.97%

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CVE-2026-44550 Industry Footprint

Top 10 Identified Industries

*Service provider organizations (typically Technology and Telecommunications) are disproportionally represented in the results given their upstream ownership of end-user infrastructure. See our FAQs.

Industry* Observations Percentage
Technology 2,511 84.06%
Telecommunications 360 12.05%
Education 51 1.71%
Retail 12 0.40%
Government/Politics 12 0.40%
Consumer Goods 10 0.33%
Utilities 10 0.33%
Business Services 6 0.20%
Media/Entertainment 3 0.10%
Engineering 3 0.10%

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