{"id":"CVE-2026-45065","state":"PUBLISHED","title":"Symfony: UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection","description":"Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, UrlGenerator validates route parameters against a pattern built as ^ plus the raw requirement plus $; with ungrouped alternations, middle alternatives match as unanchored substrings, allowing a value such as //evil.com to satisfy a common locale requirement and generate a protocol-relative off-site URL. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.","publishedAt":"2026-07-14T17:43:45.644Z","updatedAt":"2026-07-14T19:51:44.841Z","severity":{"score":2.3,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["symfony symfony"],"affected":[{"vendor":"symfony","product":"symfony","versions":[{"version":"< 5.4.52","status":"affected"},{"version":">= 6.0.0-BETA1, < 6.4.40","status":"affected"},{"version":">= 7.0.0-BETA1, < 7.4.12","status":"affected"},{"version":">= 8.0.0-BETA1, < 8.0.12","status":"affected"}]}],"references":["https://github.com/symfony/symfony/security/advisories/GHSA-72xp-p242-47p9","https://github.com/symfony/symfony/releases/tag/v5.4.52","https://github.com/symfony/symfony/releases/tag/v6.4.40","https://github.com/symfony/symfony/releases/tag/v7.4.12","https://github.com/symfony/symfony/releases/tag/v8.0.12"],"weaknesses":["CWE-185","CWE-601"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45065.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45065","state":"PUBLISHED","datePublished":"2026-07-14T17:43:45.644Z","dateUpdated":"2026-07-14T19:51:44.841Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-08T18:45:10.096Z"},"containers":{"cna":{"title":"Symfony: UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection","descriptions":[{"lang":"en","value":"Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, UrlGenerator validates route parameters against a pattern built as ^ plus the raw requirement plus $; with ungrouped alternations, middle alternatives match as unanchored substrings, allowing a value such as //evil.com to satisfy a common locale requirement and generate a protocol-relative off-site URL. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12."}],"affected":[{"vendor":"symfony","product":"symfony","versions":[{"version":"< 5.4.52","status":"affected"},{"version":">= 6.0.0-BETA1, < 6.4.40","status":"affected"},{"version":">= 7.0.0-BETA1, < 7.4.12","status":"affected"},{"version":">= 8.0.0-BETA1, < 8.0.12","status":"affected"}]}],"references":[{"url":"https://github.com/symfony/symfony/security/advisories/GHSA-72xp-p242-47p9","name":"https://github.com/symfony/symfony/security/advisories/GHSA-72xp-p242-47p9","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/symfony/symfony/releases/tag/v5.4.52","name":"https://github.com/symfony/symfony/releases/tag/v5.4.52","tags":["x_refsource_MISC"]},{"url":"https://github.com/symfony/symfony/releases/tag/v6.4.40","name":"https://github.com/symfony/symfony/releases/tag/v6.4.40","tags":["x_refsource_MISC"]},{"url":"https://github.com/symfony/symfony/releases/tag/v7.4.12","name":"https://github.com/symfony/symfony/releases/tag/v7.4.12","tags":["x_refsource_MISC"]},{"url":"https://github.com/symfony/symfony/releases/tag/v8.0.12","name":"https://github.com/symfony/symfony/releases/tag/v8.0.12","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-185","lang":"en","description":"CWE-185: Incorrect Regular Expression","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-14T17:43:45.644Z"},"source":{"advisory":"GHSA-72xp-p242-47p9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-14T19:42:20.686323Z","id":"CVE-2026-45065","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-14T19:51:44.841Z"}}]}}}