In Octopus Deploy through 2020.4.2, an attacker could redirect users to an external site via a modified HTTP Host header.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26161
Reference (s):
- https://github.com/OctopusDeploy/Issues/issues/6627
- https://github.com/OctopusDeploy
- https://github.com/OctopusDeploy/Issues/issues/6622

