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    CVE-2026-49448

    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.

    Published:Jun 2, 2026
    Last Modified:Jun 4, 2026
    EPS:Jun 2, 2026
    EPSS Score:0.00041
    CVSS Score:9.8

    Affected Products

    Vendor
    Goauthentik
    Product
    Authentik

    Exploits

    https://github.com/goauthentik/authentik/security/advisories/GHSA-xp7f-xjjx-gwm8https://github.com/goauthentik/authentik/security/advisories/GHSA-xp7f-xjjx-gwm8

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

    CVE-2026-57580 (CVSS 9.4) — authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, an inbound SAML Source configur…
    CVE-2026-55106 (CVSS 5.3) — authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, a diagnostic action on the LDAP…
    CVE-2026-61574 (CVSS 8.8) — authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, the Remote Access Control endpo…
    CVE-2026-54730 (CVSS 8.6) — authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, the enterprise Google Chrome de…
    CVE-2026-49443 (CVSS 8.8) — authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, an attacke…
    CVE-2026-47201 (CVSS 8.5) — authentik is an open-source identity provider. Prior to versions 2025.12.5, 2026.2.3, and 2026.5.1, authentik'…
    CVE-2026-42849 (CVSS 9.3) — authentik is an open-source identity provider. Prior to versions 2025.12.5 and 2026.2.3, due to the implementa…
    CVE-2026-41569 (CVSS 6.9) — authentik is an open-source identity provider. Prior to version 2026.2.3, the WS-Federation provider validates…
    CVE-2026-41577 (CVSS 6.9) — authentik is an open-source identity provider. Prior to versions 2025.12.5 and 2026.2.3, the SAML source respo…
    CVE-2026-40172 (CVSS 8.1) — authentik is an open-source identity provider. In versions prior to 2025.12.5 and 2026.2.0-rc1 through 2026.2.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High