CVE-2026-102488 Octopus Server - Broken Access Control

Octopus Server contains a broken access control caused by incorrect evaluation of multiple scoped permission assignments, letting highly privileged users obtain deployment permissions beyond their granted scope, exploit requires high privilege user access.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to the latest version of Octopus Server.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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