Security Advisory 2025-06
| Summary | Server Side Request Forgery |
| Advisory Number | 2025-06 |
| Discovery Date | 18 NOV 2024 |
| Patch Release Date | 15 JAN 2024 |
| Advisory Release Date | 25 MAR 2025 |
| Product | Octopus Server |
| Operating System | Microsoft Windows |
| Severity | Medium |
| CVE ID | CVE-2025-0539 |
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 2024.4.7065 or higher are not affected.
Severity
Octopus Deploy has given this vulnerability a Medium 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.
Details
In affected Microsoft Windows versions of Octopus Deploy, the server can be coerced into sending server-side requests that contain authentication material allowing a suitably positioned attacker to compromise the account running Octopus Server and potentially the host infrastructure itself.
The versions of Octopus Server affected by this vulnerability are:
- All 2.6.x, 3.x, 4.x versions
- All 2018.x, 2019.x, 2020.x, 2021.x, 2022.x, 2023.x versions
- All 2024.1, 2024.x versions
- All 2024.3.x versions before 2024.3.x
- All 2024.4.x versions before 2024.4
Fix
To address this vulnerability, we have released Octopus Server version:
- 2024.4.7065
- 2024.3.13071
The latest versions of Octopus Deploy products can be downloaded from https://octopus.com/downloads and previous versions can be downloaded from https://octopus.com/downloads/previous
What You Need to Do
Octopus Deploy recommends that you upgrade to the latest version (2025.1.9982). You can download the latest version of Octopus Server from https://octopus.com/downloads
If you can't upgrade to the latest version (2025.1.9982):
| If you have feature version... | ...then upgrade to this version |
|---|---|
| 2.6.x versions | 2024.3.13071 or greater |
| 2018.x, 2019.x, 2020.x, 2021.x, 2022.x, 2023.x | 2024.3.13071 or greater |
| 2024.1.x, 2024.2.x | 2024.3.13071 |
| 2024.3.x | 2023.3.13071 or greater |
| 2024.4.x | 2024.4.7065 or greater |
Mitigation
There is no known mitigation for CVE-2025-0539, it is important to upgrade to a fixed version as soon as possible.
Support
If you have any questions or concerns regarding this advisory, please contact our support team https://octopus.com/support.
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.
Source
This vulnerability was found by Edward Prior (@JankhJankh)