CVE-2026-28228 OpenOLAT: Server-Side Template Injection (SSTI) in Velocity templates allows Remote Code Execution

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. Prior to versions 19.1.31, 20.1.18, and 20.2.5, an authenticated user with the Author role can inject Velocity directives into a reminder email template. When the reminder is processed...

CVE-2026-28228 OpenOLAT: Server-Side Template Injection (SSTI) in Velocity templates allows Remote Code Execution

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. Prior to versions 19.1.31, 20.1.18, and 20.2.5, an authenticated user with the Author role can inject Velocity directives into a reminder email template. When the reminder is processed...

EUVD-2026-17201

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. Prior to versions 19.1.31, 20.1.18, and 20.2.5, an authenticated user with the Author role can inject Velocity directives into a reminder email template. When the reminder is processed...

PT-2026-29118

Name of the Vulnerable Software and Affected Versions OpenOlat versions prior to 19.1.31 OpenOlat versions prior to 20.1.18 OpenOlat versions prior to 20.2.5 Description OpenOlat is a web-based e-learning platform. Prior to versions 19.1.31, 20.1.18, and 20.2.5, an authenticated user with the...