CLEANSTART-2026-KO00783

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    CLEANSTART-2026-KO00783

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2026-59243

    Summary: FAB auth manager's Azure AD OAuth login defaulted `verify_signature=False` when decoding the ID token, so an attacker able to present a forged or unsigned (`alg:none`) ID token to the OAuth callbac...

    Details: Security vulnerability affects the airflow-3 package. The FAB auth manager's Azure AD OAuth login defaulted `verify_signature=False` when decoding the ID token, so an attacker able to present a forged or unsigned (`alg:none`) ID token to the OAuth callback could bypass authentication and log in as an arbitrary user, including one holding the Admin r....

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-KO00783.json, https://osv.dev/vulnerability/CVE-2026-59243, https://nvd.nist.gov/vuln/detail/CVE-2026-59243

    Affected packages

    Package

    Name: airflow-3

    Purl: pkg:apk/cleanstart/airflow-3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.6-r2

    Affected versions

    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
    CLEANSTART-2026-KO00783 | CVE-DB