CVE-2026-55878

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{"affected": [{"affectedData": [{"product": "ux", "vendor": "symfony", "versions": [{"status": "affected", "version": ">= 2.32.0, < 2.36.1"}, {"status": "affected", "version": ">= 3.0.0, < 3.2.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative() accepts paths like ../../../etc, a crafted or compromised kit can write attacker-controlled content to arbitrary locations or read local files outside the recipe directory. This issue is fixed in versions 2.36.1 and 3.2.0."}, {"lang": "es", "value": "Symfony UX es un ecosistema JavaScript para Symfony. Desde 2.32.0 antes de 2.36.1 y desde 3.0.0 antes de 3.2.0, el comando de consola ux:install instala archivos de un kit de receta copiando rutas listadas en un mapa de \u2019copy-files\u2019, y debido a que Path::isRelative() acepta rutas como .. / .. / .. / etc, un kit manipulado o comprometido puede escribir contenido controlado por el atacante en ubicaciones arbitrarias o leer archivos locales fuera del directorio de la receta. Este problema est\u00e1 solucionado en las versiones 2.36.1 y 3.2.0."}], "id": "CVE-2026-55878", "lastModified": "2026-10-25T17:10:00.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55878", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-09T14:18:56.012444Z", "version": "2.0.3"}}]}, "published": "2026-07-08T22:17:16.050", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/symfony/ux/commit/7b4ddf3764bf269a1b5fde5bf03c4bce568694e4"}, {"source": "security-advisories@github.com", "url": "https://github.com/symfony/ux/releases/tag/v2.36.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/symfony/ux/releases/tag/v3.2.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/symfony/ux/security/advisories/GHSA-p9xj-fpr2-jf2q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.32.0,2.36.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.2.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "ux", "source": "cna", "vendor": "symfony"}, "product": "ux", "vendor": "symfony"}], "created": "2026-07-09T09:15:05.513021+00:00", "updated": "2026-08-01T15:30:03.753598+00:00", "vendors": ["symfony", "symfony$PRODUCT$ux"]}