CVE-2025-48053 Discourse vulnerable to DoS via large URL payload in PM to a bot

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, sending a malicious URL in a PM to a bot user can cause a reduced the availability of a Discourse instance...

Discourse security vulnerabilities

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email, and chat rooms. A security vulnerability exists in Discourse versions prior to 3.4.4, prior to 3.5.0.beta5, and prior to 3.5.0.beta6-dev, which stems fr...