CVE-2026-45386
Modified Modified - Updated After Analysis
BaseFortify

Publication date: 2026-05-15

Last updated on: 2026-05-19

Assigner: GitHub, Inc.

Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, Pin/Unpin is a write operation (modifies the message's is_pinned , pinned_by, pinned_at fields), but in standard channels it only checks read permission, allowing users with read-only access to pin/unpin any message. This vulnerability is fixed in 0.9.5.
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Meta Information
Published
2026-05-15
Last Modified
2026-05-19
Generated
2026-06-10
EPSS Evaluated
2026-06-08
NVD
CVE-2026-45386
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
openwebui open_webui to 0.9.5 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
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