CVE-2022-36066

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.

• CWE-434

• https://github.com/discourse/discourse/commit/b27d5626d208a22c516a0adfda7554b67b493835Patch, Third Party Advisory
• https://github.com/discourse/discourse/pull/18421Patch, Third Party Advisory
• https://github.com/discourse/discourse/security/advisories/GHSA-grvh-qcpg-hfmvThird Party Advisory
• https://github.com/discourse/discourse/commit/b27d5626d208a22c516a0adfda7554b67b493835Patch, Third Party Advisory
• https://github.com/discourse/discourse/pull/18421Patch, Third Party Advisory
• https://github.com/discourse/discourse/security/advisories/GHSA-grvh-qcpg-hfmvThird Party Advisory

Published

Sep 29, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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