All vulnerabilities
CVE-2026-102488

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 t

Octopus Deploy Octopus Server
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CVSS
8.7High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.21%Chance of exploitation activity in the next 30 days, higher than 10% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2026.2.12438Also 2026.3.15816CVE List
Published8 Oct 2026Updated 8 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.

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.

Text from CVE List

Affected versions 2

  • Octopus Serveraffected: 2019.5.0 before 2026.2.12438CVE List
  • Octopus Serveraffected: 2026.3.0 before 2026.3.15816CVE List

References 1