{"id":"CVE-2025-48951","state":"PUBLISHED","title":"Auth0-PHP SDK Deserialization of Untrusted Data vulnerability","description":"Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. Versions 8.0.0-BETA3 prior to 8.3.1 contain a vulnerability due to insecure deserialization of cookie data. If exploited, since SDKs process cookie content without prior authentication, a threat actor could send a specially crafted cookie containing malicious serialized data. Applications using the Auth0-PHP SDK are affected, as are applications using the Auth0/symfony, Auth0/laravel-auth0, or Auth0/wordpress SDKs, because those SDKsrely on the Auth0-PHP SDK versions from 8.0.0-BETA3 until 8.14.0. Version 8.3.1 contains a patch for the issue.","publishedAt":"2025-06-03T20:52:35.064Z","updatedAt":"2025-06-04T20:32:18.609Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["auth0 auth0-PHP"],"affected":[{"vendor":"auth0","product":"auth0-PHP","versions":[{"version":">= 8.0.0-BETA3, < 8.3.1","status":"affected"}]}],"references":["https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492","https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q","https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34","https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r","https://github.com/auth0/auth0-PHP/commit/04b1f5daa8bdfebc5e740ec5ca0fb2df1648a715"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/48xxx/CVE-2025-48951.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-48951","state":"PUBLISHED","datePublished":"2025-06-03T20:52:35.064Z","dateUpdated":"2025-06-04T20:32:18.609Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-05-28T18:49:07.585Z"},"containers":{"cna":{"title":"Auth0-PHP SDK Deserialization of Untrusted Data vulnerability","descriptions":[{"lang":"en","value":"Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. Versions 8.0.0-BETA3 prior to 8.3.1 contain a vulnerability due to insecure deserialization of cookie data. If exploited, since SDKs process cookie content without prior authentication, a threat actor could send a specially crafted cookie containing malicious serialized data. Applications using the Auth0-PHP SDK are affected, as are applications using the Auth0/symfony, Auth0/laravel-auth0, or Auth0/wordpress SDKs, because those SDKsrely on the Auth0-PHP SDK versions from 8.0.0-BETA3 until 8.14.0. Version 8.3.1 contains a patch for the issue."}],"affected":[{"vendor":"auth0","product":"auth0-PHP","versions":[{"version":">= 8.0.0-BETA3, < 8.3.1","status":"affected"}]}],"references":[{"url":"https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492","name":"https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q","name":"https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q","tags":["x_refsource_MISC"]},{"url":"https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34","name":"https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34","tags":["x_refsource_MISC"]},{"url":"https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r","name":"https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r","tags":["x_refsource_MISC"]},{"url":"https://github.com/auth0/auth0-PHP/commit/04b1f5daa8bdfebc5e740ec5ca0fb2df1648a715","name":"https://github.com/auth0/auth0-PHP/commit/04b1f5daa8bdfebc5e740ec5ca0fb2df1648a715","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502: Deserialization of Untrusted Data","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-06-04T20:32:18.609Z"},"source":{"advisory":"GHSA-v9m8-9xxp-q492","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-04T13:33:17.352742Z","id":"CVE-2025-48951","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-04T13:33:26.037Z"}}]}}}