Vulnerability in Octopus Deploy Octopus Server

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund29 Sep 2026WID-SEC-2026-3639

  Octopus Deploy: Multiple vulnerabilities allow privilege escalation Translated from German

  CVE-2026-102478CVE-2026-102488

[ References ]References

• advisories.octopus.com/post/2026/sa2026-12