CVE Watch15 jul 2026

CVE-2026-45063

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 8.0.1

CVSS

9.1

Crítico

EPSS

0.4%

p30

KEV

—

Exploit Today

0-100

Publicado: 14 jul 2026 · Última mod.: 15 jul 2026 · CWE-290

EPSS · 30d

0.3%EPSS · 30 días0.4%

2026-08-202026-09-17

Descripción técnica

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, X509Authenticator extracts the user identifier from $_SERVER['SSL_CLIENT_S_DN'] with an unanchored regex that matches emailAddress= anywhere in the distinguished name, allowing an attacker with a trusted certificate containing emailAddress=victim inside another RDN value such as CN to authenticate as the victim. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

Referencias oficiales

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