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CVE-2026-94609

authentik: Privilege Escalation to Superuser via Group Hierarchy

CVSS 3.1 8.8 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-94609

Published

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an account with delegated permission to manage a group, group membership, or a user can grant superuser status to an account or assign an existing role to a group without holding the permissions that gate those privileges. Group hierarchy checks do not consistently account for superuser status inherited from ancestor groups, and role assignment to a group lacks the required authorization check. Only deployments that delegate these management capabilities to accounts that are not full administrators are affected. This issue is fixed in versions 2026.2.7, 2026.5.7, and 2026.8.2.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94609

Published

authentik

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "goauthentik",
                    "product": "authentik",
                    "versions": [
                        {
                            "version": "< 2026.2.7",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2026.5.0, < 2026.5.7",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2026.8.0, < 2026.8.2",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON