CVE-2026-102478: Octopus Server 2023.2.945 to before 2026.1.11768, 2026.2.0 to before 2026.2.13408, 2026.3.0 to before 2026.3.15816

Affected technology

Octopus Server · 2023.2.945 to before 2026.1.11768, 2026.2.0 to before 2026.2.13408, 2026.3.0 to before 2026.3.15816
Octopus Deploy

Description’s affected range: versions of Octopus Server

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality, integrity and availability impact as high.