CVE-2025-48053
Discourse vulnerable to DoS via large URL payload in PM to a bot
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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. This issue is patched in 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. No known workarounds are available.
Reserved 2025-05-15 | Published 2025-06-09 | Updated 2025-06-09 | Assigner GitHub_MCWE-400: Uncontrolled Resource Consumption
CWE-770: Allocation of Resources Without Limits or Throttling
github.com/...course/security/advisories/GHSA-3q5q-qmrm-rvwx
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