Public vulnerability disclosure

CVE-2026-117466

CVE-2026-117466

publishedCWE-269

In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.

Technical severity8.6 highCVSS 4.0 · CNA: Octopus
Published2026-10-27Source updated 2026-11-04
Collected2026-11-042 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Octopus Server
Octopus Deploy
Platforms: Windows, Linux
≥ 2019.0.0; < 2026.2.13469 (affected, custom)
≥ 2026.3.0; < 2026.3.15863 (affected, custom)
Other versions: unaffected
CNA: Octopus

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 8.6
high
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCNA: Octopus

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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