Security Advisory 2022-26

Summary Certain browsers can bypass authentication and redirect to the redirect url provided without any validation (CVE-2022-3614)
Advisory Number 2022-26
Discovery Date 05 Oct 2022
Patch Release Date 14 Nov 2022
Advisory Release Date 22 Dec 2022
Product Octopus Server
Operating System Linux and Microsoft Windows
Severity Low
CVE ID CVE-2022-3614

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 2022.3.10863 or higher are not affected.


Octopus Deploy has given this vulnerability a low 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 users of certain browsers using AD to sign-in to Octopus Server were able to bypass authentication checks and be redirected to the configured redirect url without any validation.

The versions of Octopus Server affected by this vulnerability are:

  • All 3.x versions after 3.5.1
  • All 4.x versions
  • All 2018.x, 2019.x, 2020.x and 2021.x versions
  • All 2022.1.x and 2022.2.x versions
  • All 2022.3.x versions before 2022.3.10750
  • All 2022.4.x versions before 2022.4.8063


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

  • 2022.3.10750
  • 2022.4.8063

As of the 27/09/2022 Octopus Server version 2022.4.x is only available on Octopus Cloud.

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 (2022.3.10863). You can download the latest version of Octopus Server from

If you can't upgrade to the latest version (2022.3.10863):

If you have feature version... ...then upgrade to this version
3.5 and greater 2022.3.10750 or greater
4.x, 2018.x, 2019.x, 2020.x, 2021.x 2022.3.10750 or greater
2022.1.x, 2022.2.x 2022.3.10750 or greater
2022.3.x 2022.3.10750 or greater
2022.4.x 2022.4.8063 or greater


There is no known mitigation for CVE-2022-3614, 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 reported by an Octopus Deploy customer.