CVE-2026-49448 in authentik

Summary

by MITRE • 06/03/2026

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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsible: GitHub M
• Reservation: 05/30/2026
• Disclosure: 06/03/2026
• Moderation: accepted
• Entry: VDB-368063
• CPE: ready
• CWE: CWE-287 (confirmed)
• CVSS: 9.8 (CNA)
• EPSS: 0.00041
• KEV: no
• Activities: low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-49448
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-49448
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-49448/