CVE-2026-56207

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    CVE-2026-56207

    Published: 9 Sept 2026Last Modified: 12 Sept 2026

    Summary: Apache Impala: SAML authentication bypass via forged bearer token

    Details: Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user. This issue affects Apache Impala: >=4.0.0. Users are recommended to upgrade to version 4.5.2, which fixes this issue.

    References: http://www.openwall.com/lists/oss-security/2026/09/08/22, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56207.json, https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zs, https://nvd.nist.gov/vuln/detail/CVE-2026-56207

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 1950394e56927cac2f101324fa0397aa3d378f2d
    Fixed -078470bb0471336fa7715cf9b72a5d713fd2751d

    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
    CVE-2026-56207 | CVE-DB