USN-7926-1

    Dashboard / Vulnerabilities / USN-7926-1

    USN-7926-1

    Published: 11 Dec 2025Last Modified: 27 Apr 2026

    Summary: keystone vulnerabilities

    Details: Kay discovered that OpenStack Keystone incorrectly handled the ec2tokens and s3tokens APIs. A remote attacker could possibly use this issue to obtain unauthorized access and escalate privileges. (CVE-2025-65073) It was discovered that OpenStack Keystone only validated the first 72 bytes of an application secret. An attacker could possibly use this issue to bypass password complexity. (CVE-2021-3563) It was discovered that OpenStack Keystone had a time lag before a token should be revoked by the security policy. A remote administrator could use this issue to maintain access for longer than expected. (CVE-2022-2447)

    References: https://ubuntu.com/security/notices/USN-7926-1, https://ubuntu.com/security/CVE-2021-3563, https://ubuntu.com/security/CVE-2022-2447, https://ubuntu.com/security/CVE-2025-65073

    Affected packages

    Package

    Name: keystone

    Purl: pkg:deb/ubuntu/keystone@2:21.0.1-0ubuntu2.1?arch=source&distro=jammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:21.0.1-0ubuntu2.1

    Affected versions

    2:20.0.0-0ubuntu1
    2:20.0.0+git2021120815.2ddf8f321-0ubuntu1
    2:20.0.0+git2022011217.771c943ad-0ubuntu1
    2:20.0.0+git2022030313.a3fc9e7c3-0ubuntu1

    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
    USN-7926-1 | CVE-DB