All vulnerabilities
CVE-2026-117466

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

Octopus Deploy Octopus Server
Open in ThreatlineRecord JSON
CVSS
8.6High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed in2026.2.13469Also 2026.3.15863CVE List
Published27 Oct 2026Updated 27 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Affected versions 2

  • Octopus Serveraffected: 2019.0.0 before 2026.2.13469CVE List
  • Octopus Serveraffected: 2026.3.0 before 2026.3.15863CVE List

References 1