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OpenAdvisories
High · 8.7 CVE-2026-124627 EUVD-2026-124402GHSA-8wrj-pg56-7v73

In affected versions of Octopus Server, incorrect validation of the external identity linked to a newly registered user could result in tha…

Published Nov 12, 2026 · Assigned by Octopus

Description

In affected versions of Octopus Server, incorrect validation of the external identity linked to a newly registered user could result in that user receiving the LDAP-mapped team memberships and associated permissions of another user. This issue only affects instances with LDAP authentication enabled and LDAP groups mapped to Octopus teams.

Affected products

VendorProductAffectedFixed
Octopus Deploy Octopus Server 2026.3.0 <2026.3.15926 —
Octopus Deploy Octopus Server 3.0.0 <2026.2.13526 —

Advisories 1

References