octopus_server vulnerabilities
CVEs whose affected-version data names the octopus_server package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
11 CVEsRSS
CVE-2026-12887Medium· 5.1In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory.
In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory.
CVE-2026-116870High· 8.7In affected versions of Octopus Server, OIDC token issuer validation was performed inconsistently
In affected versions of Octopus Server, OIDC token issuer validation was performed inconsistently. This could result in a token issued from a suitably configured non legitimate issuer being accepted as a token belonging to a service acco…
CVE-2026-117466High· 8.6In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.
In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.
CVE-2026-117341High· 7.7In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log
In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from th…
CVE-2026-102488High· 8.7In affected versions, Octopus Server incorrectly evaluates multiple scoped permission assignments, allowing a highly privileged user to obtain deployment permissions beyond those actually granted to them.
In affected versions, Octopus Server incorrectly evaluates multiple scoped permission assignments, allowing a highly privileged user to obtain deployment permissions beyond those actually granted to them.
CVE-2026-102478High· 8.7In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation
In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation. It was possible for the built-in role to be weakened an…
CVE-2026-78210High· 7.1In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts in an environment without possessing the required authorization.
In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts in an environment without possessing the required authorization.
CVE-2026-101169High· 8.7In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object
In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object. Insecure deserialization of this content allows the user to execut…
CVE-2026-92355High· 8.7In affected versions of Octopus Server, a user with permission to modify non built-in external feeds could exploit a path traversal flaw to overwrite arbitrary files on the server, which in some configurations could lead to remote code e…
In affected versions of Octopus Server, a user with permission to modify non built-in external feeds could exploit a path traversal flaw to overwrite arbitrary files on the server, which in some configurations could lead to remote code e…
CVE-2026-91778High· 7.2In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts on a worker (including the Octopus Server built-in worker)
In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts on a worker (including the Octopus Server built-in worker). Incorrect permission validation during script execution would a…
CVE-2026-4881Medium· 6.5In affected versions of Octopus Server, permissions were not checked correctly resulting in any authenticated user being able to make server level changes using a certain API endpoint despite receiving an error.
In affected versions of Octopus Server, permissions were not checked correctly resulting in any authenticated user being able to make server level changes using a certain API endpoint despite receiving an error.