CVE-2026-3236: Low severity Octopus Deploy Octopus Server vulnerability

Published Mar 5, 2026
·
Updated

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.

Affected Software

3 affected components
Octopus Deploy Octopus Server
Octopus Octopus Server>=2023.1.4189<2025.3.14761
Octopus Octopus Server>=2025.4.51<2025.4.10409

Event History

Mar 5, 2026
CVE Published
via MITRE·10:37 AM
Data Sourced
via MITRE·10:37 AM
DescriptionWeakness
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeaknessAffected Software
Jul 22, 58183
Event
via NVD·12:07 AM

Frequently Asked Questions

1

What is the severity of CVE-2026-3236?

CVE-2026-3236 has a high severity rating due to the potential for unauthorized access and extended API key lifetime.

2

How do I fix CVE-2026-3236?

To fix CVE-2026-3236, update to the latest version of Octopus Server that includes the security patch.

3

What impact does CVE-2026-3236 have on Octopus Server?

CVE-2026-3236 allows an attacker to create a new API key with an extended lifetime, compromising the system's security.

4

Which versions of Octopus Server are affected by CVE-2026-3236?

CVE-2026-3236 affects all versions of Octopus Server prior to the latest security update.

5

Is there a workaround for CVE-2026-3236?

Currently, the best approach for CVE-2026-3236 is to upgrade Octopus Server, as no official workarounds are provided.

Contact

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