CVE Watch6 oct 2026

CVE-2026-54049

Sakai is a Collaboration and Learning Environment (CLE). From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conv

CVSS

8.7

Alto

EPSS

0.3%

p25

KEV

—

Exploit Today

0-100

Publicado: 1 oct 2026 · Última mod.: 6 oct 2026 · CWE-79

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-10-022026-10-25

Descripción técnica

Sakai is a Collaboration and Learning Environment (CLE). From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML() directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post. This issue has been patched in versions 23.5, 25.3, and 26.0.

Referencias oficiales

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