Security Advisory 2023-10

Summary Guest user with low permissions able to interact with extension endpoints (CVE-2022-2346)
Advisory Number 2023-10
Discovery Date 21 Aug 2022
Patch Release Date 21 Jul 2023
Advisory Release Date 27 Jul 2023
Product Octopus Server
Operating System Linux and Microsoft Windows
Severity Medium
CVE ID CVE-2022-2346

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 2023.2.13113 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 Deploy it is possible for a low privileged guest user to interact with extension endpoints.

The versions of Octopus Server affected by this vulnerability are:

  • All 2019.4.x, 2020.x.x, 2021.x.x versions
  • All 2022.1.x, 2022.2.x, 2022.3.x versions
  • All 2022.4.x versions before 2022.4.9997
  • All 2023.1.x versions before 2023.1.10235
  • All 2023.2.x versions before 2023.2.10545


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

  • 2022.4.9997
  • 2023.1.10235
  • 2023.2.10545

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 (2023.2.13113). You can download the latest version of Octopus Server from

If you can't upgrade to the latest version (2023.2.13113):

If you have feature version... ...then upgrade to this version
2019.4.x, 2020.x.x, 2021.x.x 2022.4.9997 or greater
2022.1.x, 2022.2.x, 2022.3.x 2022.4.9997 or greater
2022.4.x 2022.4.9997 or greater
2023.1.x 2023.1.10235 or greater
2023.2.x 2023.2.10545 or greater


There is no known mitigation for CVE-2022-2346, 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