Main Vulnerability Database Vulnerabilities #VU133119

Spoofing attack in Symfony - CVE-2026-48760

Published: June 1, 2026

Vulnerability identifier: #VU133119

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2026-48760

CWE-ID: CWE-451

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: SensioLabs

Affected software:
Symfony

Detailed vulnerability description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in the HtmlSanitizer URL parser. A remote attacker can spoof page content.

Install updates from vendor's website.