{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-15T20:38:21.041","vulnerabilities":[{"cve":{"id":"CVE-2022-35924","sourceIdentifier":"security-advisories@github.com","published":"2022-08-02T18:15:08.893","lastModified":"2024-11-21T07:11:58.417","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"NextAuth.js is a complete open source authentication solution for Next.js applications. `next-auth` users who are using the `EmailProvider` either in versions before `4.10.3` or `3.29.10` are affected. If an attacker could forge a request that sent a comma-separated list of emails (eg.: `attacker@attacker.com,victim@victim.com`) to the sign-in endpoint, NextAuth.js would send emails to both the attacker and the victim's e-mail addresses. The attacker could then login as a newly created user with the email being `attacker@attacker.com,victim@victim.com`. This means that basic authorization like `email.endsWith(\"@victim.com\")` in the `signIn` callback would fail to communicate a threat to the developer and would let the attacker bypass authorization, even with an `@attacker.com` address. This vulnerability has been patched in `v4.10.3` and `v3.29.10` by normalizing the email value that is sent to the sign-in endpoint before accessing it anywhere else. We also added a `normalizeIdentifier` callback on the `EmailProvider` configuration, where you can further tweak your requirements for what your system considers a valid e-mail address. (E.g.: strict RFC2821 compliance). Users are advised to upgrade. There are no known workarounds for this vulnerability. If for some reason you cannot upgrade, you can normalize the incoming request using Advanced Initialization."},{"lang":"es","value":"NextAuth.js es una completa solución de autenticación de código abierto para aplicaciones Next.js. Los usuarios de \"next-auth\" que usan el \"EmailProvider\" en versiones anteriores a \"4.10.3\" o \"3.29.10\" están afectados. Si un atacante pudiera falsificar una petición que enviara una lista de correos electrónicos separados por comas (por ejemplo: \"attacker@attacker.com,victim@victim.com\") al endpoint de inicio de sesión, NextAuth.js enviaría correos electrónicos tanto al atacante como a las direcciones de correo electrónico de la víctima. El atacante podría entonces iniciar sesión como un usuario recién creado con el correo electrónico \"attacker@attacker.com,victim@victim.com\". Esto significa que una autorización básica como \"email.endsWith(\"@víctima.com\")\" en la llamada de retorno \"signIn\" no comunicaría una amenaza al desarrollador y permitiría al atacante saltarse la autorización, incluso con una dirección \"@atacante.com\". Esta vulnerabilidad ha sido parcheada en versiones \"v4.10.3\" y \"v3.29.10\" al normalizar el valor del correo electrónico que es enviado al punto final de inicio de sesión antes de acceder a él en cualquier otro lugar. También hemos añadido una llamada de retorno \"normalizeIdentifier\" en la configuración de \"EmailProvider\", donde puedes ajustar aún más tus requisitos para lo que tu sistema considera una dirección de correo electrónico válida. (Por ejemplo: cumplimiento estricto del RFC2821). Es recomendado a usuarios actualizar. No se presentan mitigaciones conocidas para esta vulnerabilidad. Si por alguna razón no puede actualizar, puede normalizar la petición entrante usando la Inicialización Avanzada"}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.2}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-863"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nextauth.js:next-auth:*:*:*:*:*:node.js:*:*","versionEndExcluding":"3.29.10","matchCriteriaId":"97098DFC-AC04-4EAE-862A-92C6447A0520"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextauth.js:next-auth:*:*:*:*:*:node.js:*:*","versionStartIncluding":"4.0.0","versionEndExcluding":"4.10.3","matchCriteriaId":"5D61C7D4-4D8C-471E-A49D-2ACA7E6A8B03"}]}]}],"references":[{"url":"https://en.wikipedia.org/wiki/Email_address#Local-part","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://github.com/nextauthjs/next-auth/commit/afb1fcdae3cc30445038ef588e491d139b916003","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/nextauthjs/next-auth/security/advisories/GHSA-xv97-c62v-4587","source":"security-advisories@github.com","tags":["Mitigation","Third Party Advisory"]},{"url":"https://next-auth.js.org/configuration/callbacks#sign-in-callback","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://next-auth.js.org/configuration/initialization#advanced-initialization","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://next-auth.js.org/providers/email","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://next-auth.js.org/providers/email#normalizing-the-e-mail-address","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://nodemailer.com/message/addresses","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://en.wikipedia.org/wiki/Email_address#Local-part","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://github.com/nextauthjs/next-auth/commit/afb1fcdae3cc30445038ef588e491d139b916003","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/nextauthjs/next-auth/security/advisories/GHSA-xv97-c62v-4587","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mitigation","Third Party Advisory"]},{"url":"https://next-auth.js.org/configuration/callbacks#sign-in-callback","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://next-auth.js.org/configuration/initialization#advanced-initialization","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://next-auth.js.org/providers/email","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://next-auth.js.org/providers/email#normalizing-the-e-mail-address","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://nodemailer.com/message/addresses","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}