CVE-2022-36066 CRITICAL

CVE-2022-36066: Discourse vulnerable to RCE via admins uploading maliciously zipped file

Vendor Discourse
Product discourse
Weakness CWE-434 · Unrestricted file upload
Published September 29, 2022
Last update April 23, 2025
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 29, 2022 CVE published
April 23, 2025 Record updated