Security Advisory 2022-06

Summary Insecure Direct Object Reference (IDOR) of Project Exports in Octopus Server (CVE-2022-1881)
Advisory Number 2022-06
Discovery Date 16 May 2022
Patch Release Date 15 Jun 2022
Advisory Release Date 15 Jul 2022
Product Octopus Server
Operating System Linux and Microsoft Windows
Severity Medium
CVE ID CVE-2022-1881

Customers who have downloaded and installed any of the Octopus Server versions listed below ("Details") are affected.

Please upgrade your Octopus Server immediately to fix this vulnerability.

Customers who have upgraded Octopus Server to version 2022.2.6971 or higher are not affected.


Octopus Deploy has given this vulnerability a medium rating. This rating was given according to the Octopus Deploy severity levels, which ranks vulnerabilities as critical, high, medium, or low severity.

This is our assessment and you should evaluate its applicability to your own environment.


In affected versions of Octopus Server an Insecure Direct Object Reference vulnerability exists where it is possible for a user to download Project Exports from a Project they do not have permissions to access. This vulnerability only impacts projects within the same Space.

The versions of Octopus Server affected by this vulnerability are:

  • All 2021.1.x and 2021.2.x versions
  • All 2021.3.x versions before 2021.3.13021
  • All 2022.1.x versions before 2022.1.2894
  • All 2022.2.x versions before 2022.2.6971
  • All 2022.3.x versions before 2023.3.2616

As of the 15/07/2022 Octopus Server version 2022.3.x is only available on Octopus Cloud.


To address this vulnerability, we have released Octopus Server version:

  • 2021.3.13021
  • 2022.1.2894
  • 2022.2.6971
  • 2022.3.2616

The latest versions of Octopus Deploy products can be downloaded from and previous versions can be downloaded from

What You Need to Do

Octopus Deploy recommends that you upgrade to the latest version (2022.2.6971). You can download the latest version of Octopus Server from

If you can't upgrade to the latest version (2022.2.6971):

If you have feature version... ...then upgrade to this version
2021.1.x, 2021.2.x 2021.3.13021 or greater
2021.3.x 2021.3.13021 or greater
2022.1.x 2022.1.2894 or greater
2022.2.x 2022.2.6971 or greater
2022.3.x 2022.3.2616 or greater


There is no known mitigation for CVE-2022-1881, it is important to upgrade to a fixed version as soon as possible.


If you have any questions or concerns regarding this advisory, please contact our support team

Exploitation and Public Announcements

The Octopus Deploy security team is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.


This vulnerability was found by Bartłomiej Górkiewicz