Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-45065

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 33.0%
CVSS Severity
CVSS v3 Score 6.1
Products affected by CVE-2026-45065


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