Octopus Server vulnerabilities and CVEs

Known vulnerabilities affecting Octopus Server, with exploit availability attached to each one, so you can tell a flaw someone has written code for from one nobody has.

5 vulnerabilities tracked.

8.7 In affected versions of Octopus Server, OIDC token issuer validation was performed inconsistently. CVE-2026-116870 27 Oct 2026
8.6 In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator. CVE-2026-117466 27 Oct 2026
7.7 In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. CVE-2026-117341 27 Oct 2026
5.3 In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user… CVE-2026-118426 29 Oct 2026
5.1 In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the… CVE-2026-12887 27 Oct 2026

What this covers

This feed accumulates forward from the day it started storing records, and a name search that finds nothing here is also looked up against the registers directly — so an older advisory resolves even when it predates the corpus. It is still a reading view, not a substitute for the vendor's own advisory, and absence from this page is not a statement that Octopus Server is free of vulnerabilities.

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