critical9.8
CVE-2026-49448
authentik is an open-source identity provider.
Impact
authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Goauthentik | Authentik | before 2025.12.6 from 2026.2.0 before 2026.2.4 from 2026.5.0 before 2026.5.1 |