CVE-2026-44560 — Open WebUI is a self-hosted artificial intelligence

CVE-2026-44560 — Open WebUI is a self-hosted artificial intelligence

CVE-2026-44560 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" (non-full-context), type: "text" with collection_name, and bare collection_name/collection_names paths in the get_sources_from_items function perform v

What This Means For You

  • If your environment is affected by CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-44560 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 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.

high T1190 Initial Access

CVE-2026-44560 - Open WebUI Unauthorized File Access via get_sources_from_items

Sigma YAML — free preview
title: CVE-2026-44560 - Open WebUI Unauthorized File Access via get_sources_from_items
id: scw-2026-05-15-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-44560 by accessing the '/api/v1/get_sources_from_items' endpoint with specific parameters ('type:"file"' or 'type:"text"') that bypass authorization checks in Open WebUI versions prior to 0.9.0, allowing unauthorized access to file contents.
author: SCW Feed Engine (AI-generated)
date: 2026-05-15
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-44560/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/api/v1/get_sources_from_items'
      cs-uri-query|contains:
          - 'type:"file"'
          - 'type:"text"'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-44560 vulnerability CVE-2026-44560
CWE-862 weakness CWE-862
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 15, 2026 at 23:16 UTC

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