CVE-2026-105948

Privilege Escalation via Improper Permission Validation in Octopus Server LDAP Login Editing

Published Nov 11, 2026 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
Description
In affected versions of Octopus Server, incorrect validation of permissions assigned to a user that would allow them to edit their own login identities could result in that user being granted elevated permissions, up to and including system administrator access. This issue affects instances using LDAP authentication with self-service login editing enabled.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Privilege Escalation via Improper Permission Validation in Octopus Server LDAP Login Editing
Type Values Removed Values Added
Title Permission Validation Flaw Allows Self‑Edit of Login Identities to Grant Escalated Privileges
Type Values Removed Values Added
Title Permission Validation Flaw Allows Self‑Edit of Login Identities to Grant Escalated Privileges
Type Values Removed Values Added
First Time appeared Octopus
Octopus octopus Server
Vendors & Products Octopus
Octopus octopus Server
Type Values Removed Values Added
Description In affected versions of Octopus Server, incorrect validation of permissions assigned to a user that would allow them to edit their own login identities could result in that user being granted elevated permissions, up to and including system administrator access. This issue affects instances using LDAP authentication with self-service login editing enabled.
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Octopus
Published
Updated
Nov 11, 2026, 7:27 AM
Reserved
Oct 6, 2026, 7:44 AM
Status
Awaiting Analysis
Published
Nov 11, 2026, 8:17 AM
Modified
Nov 12, 2026, 7:02 PM