CVE-2026-117466
Received Received - Intake

Privilege Escalation in Octopus Server

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Octopus Deploy

Description
In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-117466
EUVD
EUVD-2026-110724

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Octopus Deploy Octopus Server 2019.0.0
Octopus Deploy Octopus Server 2026.3.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

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Executive Summary

This is a privilege escalation vulnerability in Octopus Server where a user with the System Manager role can gain full Administrator privileges. It affects versions from 2019.x through 2026.3.x before specific patches.

Detection Guidance

Check the Octopus Server version installed on your system. Compare it against the patched versions (2026.2.13469, 2026.3.15863, or 2026.3.15937). If your version is older, the system is vulnerable.

Impact Analysis

An attacker with System Manager access could escalate to full Administrator, gaining control over the entire Octopus Server environment. This could lead to unauthorized access, data manipulation, or system compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, potentially violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations must patch immediately to maintain compliance.

Mitigation Strategies

Upgrade Octopus Server to the latest version (2026.3.15937) or apply the appropriate patch for older versions. Octopus Cloud customers are already protected. Contact Octopus Deploy support if assistance is needed.

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