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    4 vulnerabilities by Authentik Security

    CVE-2026-72537 (GCVE-0-2026-72537)

    Vulnerability from nvd – Published: 2026-08-11 11:07 – Updated: 2026-08-11 12:40
    VLAI
    Title
    Authentik Security authentik - Privilege Escalation
    Summary
    A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to take over any user account including superusers by provisioning a SCIM user that matches an existing local user by username. The SCIM user ingest function adopts pre-existing local accounts by username without validating scope boundaries. An attacker can rewrite or delete any account, including the superuser, using only a limited provisioning credential.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-11 12:38 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    Authentik Security authentik Affected: 0 , ≤ 2026.5.6 (custom)
    		Create a notification for this product.
    Credits
    Bobur Abdugafforov (Mahadsec)
    Show details on NVD website
    To clipboard 

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    CVE-2026-72534 (GCVE-0-2026-72534)

    Vulnerability from nvd – Published: 2026-08-11 11:06 – Updated: 2026-08-11 15:07
    VLAI
    Title
    Authentik Security authentik - Privilege Escalation
    Summary
    A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to gain superuser privileges by provisioning a SCIM group that matches an existing administrator group by name. The SCIM group ingest function adopts any existing group by name and replaces its membership without validating the source scope against the target group. An attacker can grant their provisioning token full IdP superuser access and lock out all existing administrators.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-11 15:06 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    Authentik Security authentik Affected: 0 , ≤ 2026.5.6 (custom)
    		Create a notification for this product.
    Credits
    Bobur Abdugafforov (Mahadsec)
    Show details on NVD website
    To clipboard 

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    CVE-2026-72537 (GCVE-0-2026-72537)

    Vulnerability from cvelistv5 – Published: 2026-08-11 11:07 – Updated: 2026-08-11 12:40
    VLAI
    Title
    Authentik Security authentik - Privilege Escalation
    Summary
    A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to take over any user account including superusers by provisioning a SCIM user that matches an existing local user by username. The SCIM user ingest function adopts pre-existing local accounts by username without validating scope boundaries. An attacker can rewrite or delete any account, including the superuser, using only a limited provisioning credential.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-11 12:38 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    Authentik Security authentik Affected: 0 , ≤ 2026.5.6 (custom)
    		Create a notification for this product.
    Credits
    Bobur Abdugafforov (Mahadsec)
    Show details on NVD website
    To clipboard 

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    CVE-2026-72534 (GCVE-0-2026-72534)

    Vulnerability from cvelistv5 – Published: 2026-08-11 11:06 – Updated: 2026-08-11 15:07
    VLAI
    Title
    Authentik Security authentik - Privilege Escalation
    Summary
    A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to gain superuser privileges by provisioning a SCIM group that matches an existing administrator group by name. The SCIM group ingest function adopts any existing group by name and replaces its membership without validating the source scope against the target group. An attacker can grant their provisioning token full IdP superuser access and lock out all existing administrators.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-11 15:06 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    Authentik Security authentik Affected: 0 , ≤ 2026.5.6 (custom)
    		Create a notification for this product.
    Credits
    Bobur Abdugafforov (Mahadsec)
    Show details on NVD website
    To clipboard 

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