{"id":"EUVD-2025-202629","enisaUuid":"7f9aa6e3-de11-310a-adca-9a565441480a","description":"The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions 4.9.0 through 4.12.1 contain an input-validation flaw in the returnTo parameter, which could allow attackers to inject unintended OAuth query parameters into the Auth0 authorization request. Successful exploitation may result in tokens being issued with unintended parameters. This issue is fixed in version 4.13.0.","datePublished":"Dec 11, 2025, 12:21:27 AM","dateUpdated":"Dec 11, 2025, 4:09:34 PM","baseScore":5.7,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N","references":"https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-mr6f-h57v-rpj5\nhttps://github.com/auth0/nextjs-auth0/commit/35eb321de3345ccf23e8c0d6f66c9f2f2f57d26c\n","aliases":"CVE-2025-67716\nGHSA-mr6f-h57v-rpj5\n","assigner":"GitHub_M","epss":0.26,"enisaIdProduct":[{"id":"99620be4-a6b2-36de-bbed-0a51788f0d1d","product":{"name":"nextjs-auth0","vendor":{"name":"auth0"}},"product_version":"4.9.0, \u003c 4.13.0"}],"enisaIdVendor":[{"id":"39b0dd60-7b6b-38f7-a616-163da850b83a","vendor":{"name":"auth0"}}],"enisaIdVulnerability":[{"id":"5f37a39f-0a60-3c1b-95da-3b1c827422b9","vulnerability":{"id":"GHSA-mr6f-h57v-rpj5","description":"Improper Validation of Query Parameters in Auth0 Next.js SDK","datePublished":"Dec 10, 2025, 9:35:58 PM","dateUpdated":"Dec 11, 2025, 3:51:53 PM","baseScore":0.0,"references":"https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-mr6f-h57v-rpj5\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-67716\nhttps://github.com/auth0/nextjs-auth0/commit/35eb321de3345ccf23e8c0d6f66c9f2f2f57d26c\nhttps://github.com/auth0/nextjs-auth0\n","enisa_id":"EUVD-2025-202629\n","aliases":"CVE-2025-67716\nGHSA-mr6f-h57v-rpj5\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 1:56:58 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"dc6837be-5ef6-3aed-bc74-ecc190321c03","vulnerability":{"id":"CVE-2025-67716","description":"The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions 4.9.0 through 4.12.1 contain an input-validation flaw in the returnTo parameter, which could allow attackers to inject unintended OAuth query parameters into the Auth0 authorization request. Successful exploitation may result in tokens being issued with unintended parameters. This issue is fixed in version 4.13.0.","datePublished":"Dec 11, 2025, 12:21:27 AM","dateUpdated":"Dec 11, 2025, 4:09:34 PM","status":"PUBLISHED","baseScore":5.7,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N","references":"https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-mr6f-h57v-rpj5\nhttps://github.com/auth0/nextjs-auth0/commit/35eb321de3345ccf23e8c0d6f66c9f2f2f57d26c\n","enisa_id":"EUVD-2025-202629\n","assigner":"GitHub_M","epss":0.26,"dataProcessed":"Nov 4, 2026, 7:20:05 AM","vulnerabilityProduct":[{"id":"4e4f3df8-1493-347e-ab23-54eb494d8a2e","product":{"name":"nextjs-auth0","vendor":{"name":"auth0"}},"product_version":"4.9.0, \u003c 4.13.0"}],"vulnerabilityVendor":[{"id":"6a53b10e-5269-3318-8d3b-892e0d5a50e2","vendor":{"name":"auth0"}}]}}],"enisaIdAdvisory":[]}