CVE-2026-124627

HIGHCVSS 8.7/10

Last modified

CVE-2026-124627 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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..

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Octopus DeployOctopus Server>= 3.0.0, < 2026.2.13526; >= 2026.3.0, < 2026.3.15926

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-124627?
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.
How severe is CVE-2026-124627?
CVE-2026-124627 has a CVSS score of 8.7/10 (HIGH severity).
How do I fix CVE-2026-124627?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-124627?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST