UBUNTU-CVE-2023-40577

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    UBUNTU-CVE-2023-40577

    Published: 25 Aug 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-40577
    Aliases:
    USN-6935-1

    Summary:

    Details: Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.

    References: https://ubuntu.com/security/CVE-2023-40577, https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j, https://www.cve.org/CVERecord?id=CVE-2023-40577, https://ubuntu.com/security/notices/USN-6935-1

    Affected packages

    Package

    Name: prometheus-alertmanager

    Purl: pkg:deb/ubuntu/[email protected]+ds-3ubuntu0.1+esm1?arch=source&distro=esm-apps/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.2+ds-3ubuntu0.1+esm1

    Affected versions

    0.6.2+ds-2
    0.6.2+ds-3
    0.6.2+ds-3ubuntu0.1

    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
    UBUNTU-CVE-2023-40577 | CVE-DB