CVE-2026-102488
Received Received - Intake

Octopus Server Privilege Escalation via Permission Misconfiguration

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: Octopus Deploy

Description
In affected versions, Octopus Server incorrectly evaluates multiple scoped permission assignments, allowing a highly privileged user to obtain deployment permissions beyond those actually granted to them.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-102488
EUVD
EUVD-2026-94659

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Octopus Deploy Octopus Server 2019.5.0
Octopus Deploy Octopus Server 2026.3.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

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Executive Summary

CVE-2026-102488 is a high-severity vulnerability in Octopus Server where incorrect permission validation allows highly privileged users to gain unauthorized deployment permissions beyond their granted scope. This flaw affects versions from 2019.5.x to 2026.3.x prior to specific patched releases.

Detection Guidance

Check Octopus Server version against affected releases (2019.5.x to 2026.2.x before 2026.2.13438 and 2026.3.x before 2026.3.15816). Review user permissions for unauthorized deployment access.

Impact Analysis

This vulnerability could allow a highly privileged user to perform unauthorized deployments, potentially leading to data breaches, system compromise, or unauthorized access to sensitive resources. Exploitation could result in operational disruptions or compliance violations.

Compliance Impact

Unauthorized access or data exposure due to this vulnerability could violate compliance requirements under GDPR, HIPAA, or other regulations, leading to legal penalties, reputational damage, or loss of certification.

Mitigation Strategies

Upgrade Octopus Server to version 2026.3.15875 or the latest fixed version for older releases. No alternative mitigation exists; upgrade is required.

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