CVE

CVE-2015-4050

4.3

CVSS

Description

FragmentListener in the HttpKernel component in Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, when ESI or SSI support enabled, does not check if the _controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including (1) no hash or (2) an invalid hash in a request to /_fragment.

Attack Vector

Privileges Req.

User Interaction

Updated Oct 11, 2026View on NVD →

S4E scanner

mediumProduct Based Web Vulnerabilities~10 seconds

CVE-2015-4050 Scanner

CVE-2015-4050 scanner - Improper Access Control vulnerability in Symfony

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