CVE-2026-117621

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    CVE-2026-117621

    Published: 28 Oct 2026Last Modified: 7 Nov 2026

    Summary:

    Details: Jenkins 2.587 and earlier, LTS 2.580.1 and earlier computes on the agent the URL of the link shown in the workspace browser for each file and directory, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.

    References: https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4232

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -ea3f958268fe87ed86a5d1c2d90c5a99426b97ce

    Affected versions

    jenkins-2.580.2-rc
    jenkins-2.580.1
    jenkins-2.580.1-rc
    jenkins-2.580

    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-2026-117621 | CVE-DB