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In affected Octopus Server versions when the server HTTP and HTTPS bindings are configured to localhost, Octopus Server will allow open redirects.

When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged…

In Octopus Deploy through 2020.4.2, an attacker could redirect users to an external site via a modified HTTP Host header.

An issue was discovered in Octopus Deploy through 2020.4.4. If enabled, the websocket endpoint may allow an untrusted tentacle host to present itself as a trusted one.

In Octopus Deploy 3.1.0 to 2020.4.0, certain scripts can reveal sensitive information to the user in the task logs.

In Octopus Deploy 2020.3.x before 2020.3.4 and 2020.4.x before 2020.4.1, if an authenticated user creates a deployment or runbook process using Azure steps and sets the step's exe…

In Octopus Deploy 2018.8.0 through 2019.x before 2019.12.2, an authenticated user with could trigger a deployment that leaks the Helm Chart repository password.

In Octopus Deploy before 2019.12.9 and 2020 before 2020.1.12, the TaskView permission is not scoped to any dimension. For example, a scoped user who is scoped to only one tenant c…

In Octopus Deploy before 2020.1.5, for customers running on-premises Active Directory linked to their Octopus server, an authenticated user can leverage a bug to escalate privileg…

In Octopus Deploy before 2019.10.6, an authenticated user with TeamEdit permission could send a malformed Team API request that bypasses input validation and causes an application…

In Octopus Deploy before 2019.10.7, in a configuration where SSL offloading is enabled, the CSRF cookie was sometimes sent without the secure attribute. (The fix for this was back…

In Octopus Deploy 3.3.0 through 2019.10.4, an authenticated user with PackagePush permission to upload packages could upload a maliciously crafted package, triggering an exception…

In Octopus Deploy 2019.4.0 through 2019.6.x before 2019.6.6, and 2019.7.x before 2019.7.6, an authenticated system administrator is able to view sensitive values by visiting a ser…

In Octopus Deploy versions 3.0.19 to 2019.7.2, when a web request proxy is configured, an authenticated user (in certain limited circumstances) could trigger a deployment that wri…

In Octopus Deploy 2019.1.0 through 2019.3.1 and 2019.4.0 through 2019.4.5, an authenticated user with the VariableViewUnscoped or VariableEditUnscoped permission scoped to a speci…

An Information Exposure issue in the Terraform deployment step in Octopus Deploy before 2019.1.8 (and before 2018.10.4 LTS) allows remote authenticated users to view sensitive Ter…

In Octopus Deploy 3.0 onwards (before 2018.6.7), an authenticated user with incorrect permissions may be able to create Accounts under the Infrastructure menu.

In Octopus Deploy 3.4.x before 2018.4.7, an authenticated user is able to view/update/save variable values within the Tenant Variables area for Environments that do not exist with…

In Octopus Deploy before 2018.4.7, target and tenant tag variable scopes were not checked against the list of tenants the user has access to.

In Octopus Deploy 2.0 and later before 2018.3.7, an authenticated user, with variable edit permissions, can scope some variables to targets greater than their permissions should a…

An issue was discovered in Octopus Deploy before 4.1.9. Any user with user editing permissions can modify teams to give themselves Administer System permissions even if they didn'…

In Octopus Deploy versions 3.2.11 - 4.1.5 (fixed in 4.1.6), an authenticated user with ProcessEdit permission could reference an Azure account in such a way as to bypass the scopi…

In Octopus Deploy before 4.1.3, the machine update process doesn't check that the user has access to all environments. This allows an access-control bypass because the set of envi…