CVE-2025-64500

Updated on 12 Nov 2025

Severity

7.3 High severity

Details

CVSS score
7.3
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Overview

About vulnerability

Description

The Request class improperly interprets some PATH_INFO in a way that leads to representing some URLs with a path that doesn’t start with a /. This can allow bypassing some access control rules that are built with this /-prefix assumption.

Resolution

The Request class now ensures that URL paths always start with a /.

The patch for this issue is available here for branch 5.4.

Credits

We would like to thank Andrew Atkinson for discovering the issue, Chris Smith for reporting it and Nicolas Grekas for providing the fix.

Details

Affected packages:
cboden/ratchet @ v0.3.6 (+116 more)

Description

The Request class improperly interprets some PATH_INFO in a way that leads to representing some URLs with a path that doesn’t start with a /. This can allow bypassing some access control rules that are built with this /-prefix assumption.

Resolution

The Request class now ensures that URL paths always start with a /.

The patch for this issue is available here for branch 5.4.

Credits

We would like to thank Andrew Atkinson for discovering the issue, Chris Smith for reporting it and Nicolas Grekas for providing the fix.

Fixes