CVE WatchSep 10, 2026

CVE-2026-87016

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.41 until 0.11.1, get_user_by_oauth_sub and ge

CVSS

8.1

High

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 9, 2026 · Last modified: Sep 10, 2026 · CWE-155 · CWE-287

EPSS · 30d

Not enough EPSS history yet.

Technical description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.41 until 0.11.1, get_user_by_oauth_sub and get_user_by_scim_external_id in backend/open_webui/models/users.py used JSON contains matching that compiled to SQL LIKE substring matching on SQLite. An OAuth subject containing percent or underscore wildcard characters could resolve to a different stored identity, potentially selecting an administrator account and issuing the attacker that account's session; PostgreSQL deployments were not affected. This issue is fixed in version 0.11.1.

Official references

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