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Critical · 9.1 CVE-2022-36066 EUVD-2022-38828

Discourse vulnerable to RCE via admins uploading maliciously zipped file

Published Sep 29, 2022 · Updated Apr 23, 2025 · Assigned by GitHub_M

Description

Discourse is an open source discussion platform. In versions prior to 2.8.9 on the `stable` branch and prior to 2.9.0.beta10 on the `beta` and `tests-passed` branches, admins can upload a maliciously crafted Zip or Gzip Tar archive to write files at arbitrary locations and trigger remote code execution. The problem is patched in version 2.8.9 on the `stable` branch and version 2.9.0.beta10 on the `beta` and `tests-passed` branches. There are no known workarounds.

Affected products

VendorProductAffectedFixed
discourse discourse < 2.8.9, >= 2.9.0.beta0, < 2.9.0.beta10 —

References