CWE-647

Use of Non-Canonical URL Paths for Authorization Decisions

The product defines policy namespaces and makes authorization decisions based on the assumption that a URL is canonical. This can allow a non-canonical URL to bypass the authorization.

CVE-2022-43939 (GCVE-0-2022-43939)
Vulnerability from cvelistv5
Published
2023-04-03 18:10
Modified
2025-10-21 23:15
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CWE
  • CWE-647 - Use of Non-Canonical URL Paths for Authorization Decisions
Summary
Hitachi Vantara Pentaho Business Analytics Server versions before 9.4.0.1 and 9.3.0.2, including 8.3.x contain security restrictions using non-canonical URLs which can be circumvented.
References
Impacted products
Vendor Product Version
Hitachi Vantara Pentaho Business Analytics Server Version: 1.0
Version: 9.4.0.0
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CVE-2025-64500 (GCVE-0-2025-64500)
Vulnerability from cvelistv5
Published
2025-11-12 21:40
Modified
2025-11-13 16:50
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-647 - Use of Non-Canonical URL Paths for Authorization Decisions
Summary
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Symfony's HttpFoundation component defines an object-oriented layer for the HTTP specification. Starting in version 2.0.0 and prior to version 5.4.50, 6.4.29, and 7.3.7, 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. Starting in versions 5.4.50, 6.4.29, and 7.3.7, the `Request` class now ensures that URL paths always start with a `/`.
References
Impacted products
Vendor Product Version
symfony symfony Version: >= 2.0.0, < 5.4.50
Version: >= 6.0.0, < 6.4.29
Version: >= 7.0.0, < 7.3.7
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Mitigation

Phase: Architecture and Design

Description:

  • Make access control policy based on path information in canonical form. Use very restrictive regular expressions to validate that the path is in the expected form.
Mitigation

Phase: Architecture and Design

Description:

  • Reject all alternate path encodings that are not in the expected canonical form.

No CAPEC attack patterns related to this CWE.

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