CVE-2023-1786

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    CVE-2023-1786

    Published: 26 Apr 2023Last Modified: 12 Aug 2026

    Summary: sensitive data exposure in cloud-init logs

    Details: Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.

    References: https://github.com/canonical/cloud-init/, https://lists.fedoraproject.org/archives/list/[email protected]/message/ATBJSXPL2IOAD2LDQRKWPLIC7QXS44GZ/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1786.json, https://nvd.nist.gov/vuln/detail/CVE-2023-1786, https://ubuntu.com/security/notices/USN-6042-1, https://bugs.launchpad.net/cloud-init/+bug/2013967, https://github.com/canonical/cloud-init/commit/a378b7e4f47375458651c0972e7cd813f6fe0a6b, https://github.com/canonical/cloud-init/releases

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -76066fef0c187265c1c807f991af883da160d224

    Affected versions

    23.1.1
    23.1

    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-2023-1786 | CVE-DB