CVE-2022-36066

HIGH7.2EPSS 3.3%

Discourse vulnerable to RCE via admins uploading maliciously zipped file

Published: 3/6/2024Modified: 10/14/2025

Also known as:GHSA-grvh-qcpg-hfmvBIT-discourse-2022-36066

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 packages (1)

Bitnami/discoursefrom 0, < 2.8.9

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References (4)

WEBhttps://github.com/discourse/discourse/commit/b27d5626d208a22c516a0adfda7554b67b493835
WEBhttps://github.com/discourse/discourse/pull/18421
WEBhttps://github.com/discourse/discourse/security/advisories/GHSA-grvh-qcpg-hfmv
WEBhttps://nvd.nist.gov/vuln/detail/CVE-2022-36066