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    CVE-2026-80197

    Kimai before 2.57.0 contains an improper authorization vulnerability in the favorite timesheet add and remove endpoints that allows authenticated users to manipulate other users' bookmarks. Attackers can add or remove timesheet entries from another user's favorite list by referencing their timesheet identifier, enabling cross-user business-state tampering without administrative privileges.

    Published:Aug 25, 2026
    Last Modified:Aug 26, 2026
    EPS:Aug 25, 2026
    EPSS Score:0.00208
    CVSS Score:4.3

    Affected Products

    Vendor
    Kimai
    Product
    Kimai

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-84807 (CVSS 5.3) — Kimai (kimai/kimai) through 2.65.0 contains a business logic / improper authorization vulnerability in the def…
    CVE-2026-84806 (CVSS 5.3) — Kimai before 2.63.0 contains an improper authorization vulnerability in team access endpoints that allows auth…
    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…
    CVE-2026-80198 (CVSS 8.7) — Kimai versions before 2.56.0 fail to restrict the config() Twig function in sandboxed invoice and export templ…

    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