{"cvss":8.4,"datePublished":"2026-07-30T06:25:55.310","dateUpdated":"2026-10-23T22:10:00.160","description":"A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries.\r\n\r\nUnder `--permission`, an attacker who is granted access to one path can abuse boundary handling to read from or write to paths outside the intended filesystem allowlist.\r\n\r\nThis vulnerability affects Node.js **main**, **22.x**, **24.x**, and **26.x**.","id":"CVE-2026-58043","raw":{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"node","vendor":"nodejs","versions":[{"lessThanOrEqual":"22.23.1","status":"affected","version":"22.23.1","versionType":"semver"},{"lessThanOrEqual":"24.18.0","status":"affected","version":"24.18.0","versionType":"semver"},{"lessThanOrEqual":"26.5.0","status":"affected","version":"26.5.0","versionType":"semver"}]}],"source":"support@hackerone.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*","matchCriteriaId":"5D5BDB63-A6E1-4131-8920-02D17B6E68E5","versionEndIncluding":"22.23.1","versionStartIncluding":"22.0","vulnerable":true},{"criteria":"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*","matchCriteriaId":"9354DDC1-01A6-4F46-85A8-4A21C1A41E1F","versionEndIncluding":"24.18.0","versionStartIncluding":"24.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*","matchCriteriaId":"B2A6EA1C-9CE0-4F3F-8ED2-C3646F5DB630","versionEndIncluding":"26.5.0","versionStartIncluding":"26.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries.\r\n\r\nUnder `--permission`, an attacker who is granted access to one path can abuse boundary handling to read from or write to paths outside the intended filesystem allowlist.\r\n\r\nThis vulnerability affects Node.js **main**, **22.x**, **24.x**, and **26.x**."},{"lang":"es","value":"Un fallo en la aplicación del Modelo de Permisos de Node.js puede otorgar en exceso acceso al sistema de archivos a través de los límites de prefijo del árbol radix.\n\nBajo “--permission”, un atacante a quien se le concede acceso a una ruta puede abusar del manejo de límites para leer o escribir en rutas fuera de la lista de permitidos del sistema de archivos prevista.\n\nEsta vulnerabilidad afecta a Node.js main, 22.x, 24.x y 26.x."}],"id":"CVE-2026-58043","lastModified":"2026-10-23T22:10:00.160","metrics":{"cvssMetricV30":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.0"},"exploitabilityScore":1.1,"impactScore":5.8,"source":"support@hackerone.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"exploitabilityScore":2.0,"impactScore":5.8,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-58043","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-30T00:00:00+00:00","version":"2.0.3"}}]},"published":"2026-07-30T06:25:55.310","references":[{"source":"support@hackerone.com","tags":["Vendor Advisory"],"url":"https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"}],"sourceIdentifier":"support@hackerone.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-284"}],"source":"support@hackerone.com","type":"Secondary"}]},"severity":"HIGH","source":"nvd","title":"A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries.\r..."}