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CVE-2026-43978

CVE-2026-43978 · wger: Privilege escalation via trainer-login session chaining allows gym trainers to impersonate gym managers

Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.

wger is a free, open-source workout and fitness manager. In versions prior to 2.6, a gym trainer can escalate their session to any higher-privileged account (gym manager, general manager) by chaining two calls to the trainer-login endpoint. Once a trainer performs a legitimate switch into a low-privileged user, the session flag trainer.identity is set and this flag alone bypasses the permission check on all subsequent trainer-login calls. This grants full gym administration capabilities including viewing all member data, modifying contracts, managing gym configuration, and accessing other trainers' and managers' personal information. This issue has been fixed in version 2.6.

CVSS 8.1 · Alta · EPSS 0,3%

Publicación
Actualización

Pila tecnológica: python

Productos y versiones afectados

  • wger

    Versiones
    • < 2.6: Afectada

    Sin corrección publicada

  • wger PyPI

    Versiones
    • 1.1
    • 1.1.1
    • 1.2
    • 1.2rc1
    • 1.3
    • 1.4
    • 1.5
    • 1.6
    • 1.6.1
    • 1.7
    • 1.8
    • 1.9
    • 2.0
    • 2.1
    Intervalos de versiones afectados
    • ECOSYSTEM: ≤ 2.5

    Sin corrección publicada

Fuentes originales

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