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    CVE-2026-28685

    Kimai is a web-based multi-user time-tracking application. Prior to version 2.51.0, "GET /api/invoices/{id}" only checks the role-based view_invoice permission but does not verify the requesting user has access to the invoice's customer. Any user with ROLE_TEAMLEAD (which grants view_invoice) can read all invoices in the system, including those belonging to customers assigned to other teams. This issue has been patched in version 2.51.0.

    Published:Mar 6, 2026
    Last Modified:Apr 17, 2026
    EPS:Mar 6, 2026
    EPSS Score:0.00038
    CVSS Score:6.5

    Affected Products

    Vendor
    Kimai
    Product
    Kimai

    Exploits

    https://github.com/kimai/kimai/security/advisories/GHSA-v33r-r6h2-8wr7

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    Related CVEs

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    CVE-2026-84805 (CVSS 5.3) — Kimai versions from 2.61.0 before 2.63.0 fail to disable admin-only work-contract preferences for low-privileg…
    CVE-2026-84804 (CVSS 5.3) — Kimai before 2.65.0 fails to properly validate permissions when removing team access to activities, projects, …
    CVE-2026-80202 (CVSS 9.3) — Kimai before 2.56.0 does not enforce team-membership checks in TimesheetVoter::voteOnAttribute(), which maps p…
    CVE-2026-80201 (CVSS 2) — Kimai before 2.53.0 fails to block sensitive User methods in the Twig invoice template sandbox, allowing admin…
    CVE-2026-80200 (CVSS 5.3) — Kimai before 2.53.0 contains an open redirect vulnerability in the SAML authentication success handler that ac…
    CVE-2026-80199 (CVSS 6.3) — Kimai before 2.54.0 contains a timing oracle vulnerability in TokenAuthenticator that allows unauthenticated a…
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    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