{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-07T17:17:09.918","vulnerabilities":[{"cve":{"id":"CVE-2020-26291","sourceIdentifier":"security-advisories@github.com","published":"2020-12-31T00:15:12.327","lastModified":"2024-11-21T05:19:46.683","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"URI.js is a javascript URL mutation library (npm package urijs). In URI.js before version 1.19.4, the hostname can be spoofed by using a backslash (`\\`) character followed by an at (`@`) character. If the hostname is used in security decisions, the decision may be incorrect. Depending on library usage and attacker intent, impacts may include allow/block list bypasses, SSRF attacks, open redirects, or other undesired behavior. For example the URL `https://expected-example.com\\@observed-example.com` will incorrectly return `observed-example.com` if using an affected version. Patched versions correctly return `expected-example.com`. Patched versions match the behavior of other parsers which implement the WHATWG URL specification, including web browsers and Node's built-in URL class. Version 1.19.4 is patched against all known payload variants. Version 1.19.3 has a partial patch but is still vulnerable to a payload variant.]"},{"lang":"es","value":"URI.js es una biblioteca de mutación de URL de JavaScript (paquete npm urijs).&#xa0;En URI.js versiones anteriores a 1.19.4, el nombre de host puede ser falsificado usando un carácter barra invertida (\"\\\") seguido de un carácter arroba (\"@\").&#xa0;Si el nombre de host es usado en decisiones de seguridad, la decisión puede ser incorrecta.&#xa0;Dependiendo del uso de la biblioteca y la intención del atacante, los impactos pueden incluir omisiones de lista de permisos y bloqueos, ataques SSRF, redireccionamientos abiertos u otros comportamientos no deseados.&#xa0;Por ejemplo, la URL \"https://expected-example.com\\@observed-example.com\" devolverá incorrectamente \"observed-example.com\" si se usa una versión afectada.&#xa0;Las versiones parcheadas devuelven correctamente \"expected-example.com\".&#xa0;Las versiones parcheadas coinciden con el comportamiento de otros analizadores que implementan la especificación de URL WHATWG, incluyendo los navegadores web y la clase URL incorporada de Node.&#xa0;La versión 1.19.4 está parcheada contra todas las variantes de carga útil conocidas. La versión 1.19.3 presenta una ruta parcial pero sigue siendo vulnerable a  una variante de carga útil."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N","baseScore":4.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:uri.js_project:uri.js:*:*:*:*:*:*:*:*","versionEndExcluding":"1.19.4","matchCriteriaId":"87FD3B7F-F679-49B9-9876-B50CA1A634CD"}]}]}],"references":[{"url":"https://github.com/medialize/URI.js/commit/b02bf037c99ac9316b77ff8bfd840e90becf1155","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/medialize/URI.js/releases/tag/v1.19.4","source":"security-advisories@github.com","tags":["Release Notes","Third Party Advisory"]},{"url":"https://github.com/medialize/URI.js/security/advisories/GHSA-3329-pjwv-fjpg","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://www.npmjs.com/package/urijs","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://github.com/medialize/URI.js/commit/b02bf037c99ac9316b77ff8bfd840e90becf1155","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/medialize/URI.js/releases/tag/v1.19.4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Third Party Advisory"]},{"url":"https://github.com/medialize/URI.js/security/advisories/GHSA-3329-pjwv-fjpg","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.npmjs.com/package/urijs","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}