CVE-2026-124627
Received
Received - Intake
Incorrect LDAP Group Mapping in Octopus Server Allows Permission Escalation
Vulnerability report for CVE-2026-124627, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-12
Last updated on: 2026-11-12
Assigner: Octopus Deploy
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Octopus Deploy | Octopus Server | From 3.0.0 (inc) to 2026.2.13526 (exc) |
| Octopus Deploy | Octopus Server | From 2026.3.0 (inc) to 2026.3.15926 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-863 | The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. |