Beveiligingsadvies

CVE-2026-45318

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-05-15 21:28:57

Laatst bijgewerkt 2026-05-18 12:45:27

Toegewezen door GitHub_M

CVSS-score 5.4

Status PUBLISHED

Beschrijving

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS (CVE-2026-44549). The same root cause — XLSX.utils.sheet_to_html() output rendered via {@html excelHtml} without DOMPurify — was reintroduced sometime after v0.8.0 and is exploitable again This vulnerability is fixed in 0.9.3.

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