Description
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 execute arbitrary code in the Octopus Server process.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Octopus Deploy | Octopus Server | 2019.4.1 – < 2026.1.11781, 2026.2.0 – < 2026.2.13441, 2026.3.0 – < 2026.3.15829 | 2026.1.11781 |
Advisories 1
- WID-SEC-2026-3615 Octopus Deploy: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Sep 28, 2026