High severity · published Oct 27, 2026
CVE-2026-117466
In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator
New
8.6
CVSS
–
EPSS
No
On KEV
Description
In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Octopus Server · Octopus Deploy
2019.0.0 before 2026.2.13469; 2026.3.0 before 2026.3.15863 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-117466
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-117466
advisories.octopus.com
https://advisories.octopus.com/post/2026/sa2026-17
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