{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48784","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-22T20:18:20.365Z","datePublished":"2026-07-14T19:04:20.058Z","dateUpdated":"2026-07-15T13:27:22.254Z"},"containers":{"cna":{"title":"Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization","problemTypes":[{"descriptions":[{"cweId":"CWE-172","lang":"en","description":"CWE-172: Encoding Error","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/symfony/symfony/security/advisories/GHSA-h5x3-xfc9-m39h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/symfony/symfony/security/advisories/GHSA-h5x3-xfc9-m39h"},{"name":"https://github.com/symfony/symfony/commit/4b63c3a3f7af04ecd79c89a594b0b02a01990b1d","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/commit/4b63c3a3f7af04ecd79c89a594b0b02a01990b1d"},{"name":"https://github.com/symfony/symfony/releases/tag/v5.4.53","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/releases/tag/v5.4.53"},{"name":"https://github.com/symfony/symfony/releases/tag/v6.4.41","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/releases/tag/v6.4.41"},{"name":"https://github.com/symfony/symfony/releases/tag/v7.4.13","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/releases/tag/v7.4.13"}],"affected":[{"vendor":"symfony","product":"symfony","versions":[{"version":"< 5.4.53","status":"affected"},{"version":">= 6.0.0-BETA1, < 6.4.41","status":"affected"},{"version":">= 7.0.0-BETA1, < 7.4.13","status":"affected"},{"version":">= 8.0.0-BETA1, < 8.0.13","status":"affected"}]},{"vendor":"symfony","product":"routing","versions":[{"version":"< 5.4.53","status":"affected"},{"version":">= 6.0.0-BETA1, < 6.4.41","status":"affected"},{"version":">= 7.0.0-BETA1, < 7.4.13","status":"affected"},{"version":">= 8.0.0-BETA1, < 8.0.13","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-14T19:04:20.058Z"},"descriptions":[{"lang":"en","value":"Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, UrlGenerator::doGenerate() used strtr() dot-segment encoding that skipped every other chained ../ or ./ segment, allowing attacker-controlled route parameters to generate URLs that collapse to a different path under RFC 3986 normalization. This issue is fixed in versions 5.4.53, 6.4.41, 7.4.13, and 8.0.13."}],"source":{"advisory":"GHSA-h5x3-xfc9-m39h","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-15T13:23:18.119617Z","id":"CVE-2026-48784","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-15T13:27:22.254Z"}}]}}