CVE-2026-44562 — Open WebUI is a self-hosted artificial intelligence
CVE-2026-44562 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the POST /api/v1/models/import endpoint allows users with the workspace.models_import permission to overwrite any existing model in the database, regardless of ownershi
What This Means For You
- If your environment is affected by CWE-283, CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-44562 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-44562 - Open WebUI Model Import Overwrite
title: CVE-2026-44562 - Open WebUI Model Import Overwrite
id: scw-2026-05-15-ai-1
status: experimental
level: critical
description: |
Detects the specific API endpoint '/api/v1/models/import' being called via POST, which is the vulnerable endpoint in Open WebUI versions prior to 0.9.0. This allows authenticated users with specific permissions to overwrite existing models, bypassing access controls and potentially introducing malicious content.
author: SCW Feed Engine (AI-generated)
date: 2026-05-15
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-44562/
tags:
- attack.defense_evasion
- attack.t1505.003
logsource:
category: webserver
detection:
selection:
cs-method:
- 'POST'
uri|contains:
- '/api/v1/models/import'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-44562 | vulnerability | CVE-2026-44562 |
| CWE-283 | weakness | CWE-283 |
| CWE-862 | weakness | CWE-862 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 15, 2026 at 23:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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