CVE-2026-92355

High

Description

In affected versions of Octopus Server, a user with permission to modify non built-in external feeds could exploit a path traversal flaw to overwrite arbitrary files on the server, which in some configurations could lead to remote code execution.

SeverityHigh
CVSS8.7
Exploit probability—
ProductOctopus Server
PublishedSep 16, 2026
First seenSep 16, 2026

How to fix

Update
  • Octopus Deploy Octopus Server2026.1.11725, 2026.2.13344, 2026.3.11816 or later

Affected products

ProductAffected versionsFixed in
Octopus Deploy Octopus Server2024.1.4131 ≤ v < 2026.1.11725, 2026.2.0 ≤ v < 2026.2.13344, 2026.3.0 ≤ v < 2026.3.118162026.1.11725, 2026.2.13344, 2026.3.11816

Check your version

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