OpenOLAT vulnerabilities
We track 3 vulnerabilities in OpenOLAT products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on March 30, 2026.
Latest OpenOLAT vulnerabilities
- 9.8 Critical severity
OpenOLAT: Improper Authentication
OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken
- 8.8 High severity
OpenOLAT: Improper Neutralization of Special Elements Used in a Template Engine
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 templ
- 7.5 High severity
OpenOLAT: Improper Restriction of XML External Entity Reference
OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. By manually manipulating http requests when using the draw.io integration it is possible to read arbitrary files as the configured system user and SS