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OpenAdvisories
High · 8.7 CVE-2026-96414 EUVD-2026-123267GHSA-66h9-x6fw-797g

In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of …

Published Nov 11, 2026 · Updated Nov 11, 2026 · Assigned by Octopus

Description

In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.

Affected products

VendorProductAffectedFixed
Octopus Deploy Octopus Server 2022.1.3143 – < 2026.2.13487, 2026.3.0 – < 2026.3.15875 2026.2.13487

Advisories 1

References