Security Advisory

CVE-2026-48784

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-14 19:04:20

Last updated 2026-07-15 13:27:22

Assigner GitHub_M

CVSS score 5.1

State PUBLISHED

Description

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, UrlGenerator::doGenerate() used strtr() dot-segment encoding that skipped every other chained ../ or ./ segment, allowing attacker-controlled route parameters to generate URLs that collapse to a different path under RFC 3986 normalization. This issue is fixed in versions 5.4.53, 6.4.41, 7.4.13, and 8.0.13.

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