CVE-2026-43978

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{"affected": [{"affectedData": [{"product": "wger", "vendor": "wger-project", "versions": [{"status": "affected", "version": "< 2.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "wger es un gestor de entrenamientos y fitness gratuito y de c\u00f3digo abierto. En versiones anteriores a la 2.6, un entrenador de gimnasio puede escalar su sesi\u00f3n a cualquier cuenta con mayores privilegios (gerente de gimnasio, gerente general) encadenando dos llamadas al endpoint trainer-login. Una vez que un entrenador realiza un switch leg\u00edtimo a un usuario con pocos privilegios, la bandera de sesi\u00f3n trainer.identity se establece y esta bandera por s\u00ed sola omite la verificaci\u00f3n de permisos en todas las llamadas posteriores a trainer-login. Esto otorga capacidades completas de administraci\u00f3n del gimnasio, incluyendo la visualizaci\u00f3n de todos los datos de los miembros, la modificaci\u00f3n de contratos, la gesti\u00f3n de la configuraci\u00f3n del gimnasio y el acceso a la informaci\u00f3n personal de otros entrenadores y gerentes. Este problema ha sido solucionado en la versi\u00f3n 2.6."}], "id": "CVE-2026-43978", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43978", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-17T10:49:18.653519Z", "version": "2.0.3"}}]}, "published": "2026-07-16T23:16:16.310", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/wger-project/wger/security/advisories/GHSA-9qpr-vc49-hqg2"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/wger-project/wger/security/advisories/GHSA-9qpr-vc49-hqg2"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "wger", "source": "cna", "vendor": "wger-project"}, "product": "wger", "vendor": "wger-project"}], "created": "2026-07-16T23:30:07.186926+00:00", "updated": "2026-07-31T01:15:18.436606+00:00", "vendors": ["wger-project", "wger-project$PRODUCT$wger"]}