CVE-2026-27838

{"id": "CVE-2026-27838", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.1, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.5, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.1}]}, "published": "2026-02-26T23:16:34.963", "references": [{"url": "https://github.com/wger-project/wger/commit/e964328784e2ee2830a1991d69fadbce86ac9fbf", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/wger-project/wger/security/advisories/GHSA-42cr-w2gr-m54q", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "wger is a free, open-source workout and fitness manager. Five routine detail action endpoints check a cache before calling `self.get_object()`. In versions up to and including 2.4, ache keys are scoped only by `pk` \u2014 no user ID is included. When a victim has previously accessed their routine via the API, an attacker can retrieve the cached response for the same PK without any ownership check. Commit e964328784e2ee2830a1991d69fadbce86ac9fbf contains a patch for the issue."}, {"lang": "es", "value": "wger es un gestor de entrenamientos y fitness gratuito y de c\u00f3digo abierto. Cinco endpoints de acci\u00f3n de detalle de rutina verifican una cach\u00e9 antes de llamar a `self.get_object()`. En versiones hasta la 2.4 inclusive, las claves de cach\u00e9 se limitan solo por `pk` \u2014 no se incluye ning\u00fan ID de usuario. Cuando una v\u00edctima ha accedido previamente a su rutina a trav\u00e9s de la API, un atacante puede recuperar la respuesta en cach\u00e9 para el mismo PK sin ninguna verificaci\u00f3n de propiedad. El commit e964328784e2ee2830a1991d69fadbce86ac9fbf contiene un parche para el problema."}], "lastModified": "2026-03-03T00:50:54.890", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wger:wger:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "069E9B5B-A461-47CB-90EA-9A0F99C25C77", "versionEndIncluding": "2.4"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}