Input validation error in Symfony - CVE-2025-64500
Published: November 13, 2025
Vulnerability identifier: #VU118507
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-64500
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: SensioLabs
Affected software:
Symfony
Symfony
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to insufficient validation of user-supplied input when parsing "PATH_INFO" variable within the Request class. The application can incorrectly handle path elements path that do not start with a "/" character. A remote attacker can send a specially crafted HTTP request to bypass implemented security restrictions.
How to mitigate CVE-2025-64500
Install updates from vendor's website.