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CVE-2026-54011

HIGH · CVSS 8.7 EPSS %0.20 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-23T18:18:06.310 · Çekilme zamanı: 2026-06-30T18:30:29.096591+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

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CVE
CVE-2026-54011
Severity
HIGH
CVSS
8.7
EPSS
%0.20
Java

Orijinal NVD Açıklaması

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with securityLevel: 'loose', attacker-controlled Mermaid content can be rendered unsafely in this flow. A working payload was validated through the Markdown preview path, resulting in JavaScript execution in the victim’s browser under the application origin. This vulnerability is fixed in 0.9.6.