---
id: CVE-2026-102488
title: >-
  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.
summary: >-
  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.
severity: high
cvss: 8.7
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-863
vendor: Octopus Deploy
product: Octopus Server
affected:
  - octopus_server >= 2019.5.0 < 2026.2.12438
  - octopus_server >= 2026.3.0 < 2026.3.15816
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T02:16:53.003'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102488'
references:
  - url: 'https://advisories.octopus.com/post/2026/sa2026-12'
    label: security@octopus.com
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-08T02:02:29.010Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.