Vulnerability · Published Oct 27, 2026 · Assigned by Octopus
CVE-2026-117466
High 8.6
In plain English
A high-severity privilege mismanagement in Octopus Server from Octopus Deploy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 4.0)8.6High
Exploit odds (30 days)0.2%top 86.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Octopus Deploy | Octopus Server | 2019.0.0 – before 2026.2.134692026.3.0 – before 2026.3.15863 |
Weakness: CWE-269 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N