CVE-2026-3236 Details
Description
In affected versions of Octopus Server it was possible to create a new API key from an existing access token resulting in the new API key having a lifetime exceeding the original API key used to mint the access token.
A vulnerability exists in Octopus Server that allows the creation of a new API key from an existing access token. This new API key can have a longer lifetime than the original API key that was used to generate the access token. The vulnerability is present in all 2023.x, 2024.x, 2025.1.x, 2025.2.x, and certain 2025.3.x and 2025.4.x versions of Octopus Server.
Users are advised to upgrade to Octopus Server version 2025.4.10464 or to version 2025.3.14761 or greater if they are on the 2023.x, 2024.x, 2025.1.x, 2025.2.x, or 2025.3.x versions. For those on the 2025.4.x version, upgrade to 2025.4.10409 or greater.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 5, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://advisories.octopus.com/post/2026/sa2026-02 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-863 | Incorrect Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| octopus octopus server | >= 2023.1.4189, < 2025.3.14761 >= 2025.4.51, < 2025.4.10409 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 13, 2026 | Initial Analysis | [email protected] |
| Mar 5, 2026 | New CVE Received | [email protected] |