CVE-2026-34222

Summary

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.

Affected Software

Weaknesses

• CWE-285: CWE-285: Improper Authorization

ADP Enrichment

CVE Program Container

Additional References

• http://seclists.org/fulldisclosure/2026/Apr/4

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
• https://github.com/open-webui/open-webui/releases/tag/v0.8.11

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