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TI-2026-42369 Aliases CVE-2026-59226GHSA-mvx4-532p-xfm9

Open WebUI: Scheduled automations continue after pending-user deactivation and stored model ACL revocation

Priority LOW 21CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-285.

Summary

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 before 0.10.0, execute_automation rehydrated automation owners without rechecking that they were still active or still had features.automations, and check_model_access only enforced private-model grants for the exact user role, allowing deactivated pending users to continue scheduled model execution. This issue is fixed in version 0.10.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00527 44th percentileScored 2026-11-07
Fix Fixed open-webui (open-webui): 0.10.0open-webui (PyPI): 0.10.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
open-webuiopen-webui0.9.0 to before 0.10.00.10.0Patch availableCNA
—open-webui (PyPI)0.9.0 to before 0.10.00.10.0Patch availableGHSA-mvx4-532p-xfm9
  • open-webui Vendoropen-webui Affected 0.9.0 to before 0.10.0 Fixed in 0.10.0 Patch available CNA
  • open-webui (PyPI) Vendor— Affected 0.9.0 to before 0.10.0 Fixed in 0.10.0 Patch available GHSA-mvx4-532p-xfm9

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*0.9.0 to before 0.10.0Vulnerableopen-webui
  • cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* Versions 0.9.0 to before 0.10.0 Vulnerable ·open-webui

Remediation

  • Fix · CNA open-webui (open-webui) Fixed in 0.10.0
  • Fix · GHSA-mvx4-532p-xfm9 open-webui (PyPI) Fixed in 0.10.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59226
  2. 2026-10-03 Alias added: GHSA-mvx4-532p-xfm9

References

Patch 2

Advisory 2

Other 2

  • TI-2024-06216 Open WebUI Arbitrary File Upload + Path Traversal CVSS 3.1HIGH 8.8
  • TI-2024-07467 Improper Authentication in open-webui/open-webui CVSS 3.1HIGH 8.2
  • TI-2026-42359 Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id CVSS 3.1CRITICAL 9.0
  • TI-2026-40759 open-webui - Remote Code Execution via CORS Misconfiguration and Session Validation CVSS 4.0CRITICAL 9.0
  • TI-2024-07431 Cross-site Scripting (XSS) in open-webui/open-webui CVSS 3.0CRITICAL 9.0
  • TI-2026-60021 Open WebUI: Same-origin XSS to account takeover via terminal port-preview iframe hardcoding allow-same-origin CVSS 3.1HIGH 8.7
See all 154 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences