CVE-2026-48784

CVE-2026-48784 is a Symfony UrlGenerator issue in UrlGenerator::doGenerate() where strtr dot-segment encoding skipped every other chained ../ or ./ segments. This allowed attacker-controlled route parameters to generate URLs that collapse to a different path under RFC 3986 normalization. The vuln...

CVE-2026-45065 Symfony: UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection

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 mat...

Symfony has a UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection

Description Symfony routes can declare a requirements regex per path parameter, e.g. a route /locale/blog with requirements: locale: 'en|fr|de' . The Twig path / url helpers backed by UrlGenerator validate supplied parameter values against that regex before building the URL. UrlGenerator construc...

MAL-2025-2890 Malicious code in paypal-url-generator (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware eee5e504dfd1a8b2c6e07c8e238a743be5b370d288b12b38eb37e16d82051ae9 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in paypal-url-generator (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware eee5e504dfd1a8b2c6e07c8e238a743be5b370d288b12b38eb37e16d82051ae9 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in signup-ui-url-generator (npm)

--- -= Per source details. Do not edit below this line.=-...

CVE-2026-48784: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization

More info at https://symfony.com/cve-2026-48784...