{"id":"CVE-2026-50157","title":"Auth0 Symfony is a Symfony SDK for Auth0 Authentication and Management APIs","summary":"Auth0 Symfony is a Symfony SDK for Auth0 Authentication and Management APIs. From 5.0.0-BETA0 until 5.9.0, the Authorizer::authenticate() and Authorizer::supports() paths in the Authorizer security authenticator may accept OAuth 2.0 bear…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-598","CWE-200"],"vendor":"auth0","product":"symfony","affected":["symfony >= 5.0.0-BETA0, < 5.9.0"],"patched":["auth0/symfony 5.9.0"],"published":"2026-09-14","updated":"2026-09-14","sourceUpdated":"2026-09-14T20:16:45.027","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50157","references":[{"url":"https://github.com/auth0/symfony/commit/bd1851b14ae15e99cbe87c96496cf25da025288a","label":"security-advisories@github.com"},{"url":"https://github.com/auth0/symfony/releases/tag/5.9.0","label":"security-advisories@github.com"},{"url":"https://github.com/auth0/symfony/security/advisories/GHSA-ffq7-hh2j-r24p","label":"security-advisories@github.com"},{"url":"https://github.com/auth0/symfony/commit/172d1d3e0b9d1e93610d786118389a811179bc8a"},{"url":"https://github.com/advisories/GHSA-ffq7-hh2j-r24p"}],"tags":["nvd","cve.org","ghsa","composer"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T19:20:53.714296Z"},"aliases":["GHSA-ffq7-hh2j-r24p"],"ecosystem":"composer","ingestedAt":"2026-07-14T19:38:53.179Z","epss":0.00498,"epssPercentile":0.41763,"slug":"CVE-2026-50157","body":"## Overview\n\nAuth0 Symfony is a Symfony SDK for Auth0 Authentication and Management APIs. From 5.0.0-BETA0 until 5.9.0, the Authorizer::authenticate() and Authorizer::supports() paths in the Authorizer security authenticator may accept OAuth 2.0 bearer access tokens from the token URL query parameter as well as the Authorization header for protected HTTP routes. Query-string tokens can be recorded in server logs, browser history, or referrer data and then replayed against protected API endpoints. This issue is fixed in version 5.9.0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-50157)\n\nAffected packages:\n\n- `auth0/symfony >= 5.0.0-BETA0, <= 5.8.0`\n\nPatched in:\n\n- `auth0/symfony 5.9.0`\n\nSource: https://github.com/advisories/GHSA-ffq7-hh2j-r24p","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}