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CVE-2025-64500— Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass

Quick assessment

Affected
symfony symfony
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Symfony是Symfony公司的一个用于 Web 和控制台应用程序的 PHP 框架以及一组可重用的 PHP 组件。 Symfony 5.4.50之前版本、6.4.29之前版本和7.3.7之前版本存在安全漏洞，该漏洞源于PATH_INFO解析不当，可能导致绕过访问控制规则。

CVSS 7.3 · High EPSS 1.32% · P69

Public Exploits 1

Nuclei · 1 CVE-2025-64500.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-64500

Vulnerability Information
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Vulnerability Title
Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass
Source: CVE Program / CVE List V5
Vulnerability Description
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 `/`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用未经净化的URL路径进行授权决策
Source: CVE Program / CVE List V5
Vulnerability Title
Symfony 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Symfony是Symfony公司的一个用于 Web 和控制台应用程序的 PHP 框架以及一组可重用的 PHP 组件。 Symfony 5.4.50之前版本、6.4.29之前版本和7.3.7之前版本存在安全漏洞，该漏洞源于PATH_INFO解析不当，可能导致绕过访问控制规则。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
symfony symfony >= 2.0.0, < 5.4.50 -

II. Public POCs for CVE-2025-64500

# POC Description Source Link Shenlong Link
1 CVE-2025-64500 https://github.com/B1ack4sh/Blackash-CVE-2025-64500 POC Details
2 CVE-2025-64500 https://github.com/Ashwesker/Blackash-CVE-2025-64500 POC Details
3 CVE-2025-64500 https://github.com/Ashwesker/Ashwesker-CVE-2025-64500 POC Details
4 Symfony HttpFoundation component >= 2.0.0 and prior to versions 5.4.50, 6.4.29, and 7.3.7 contains an access control bypass vulnerability. The Request class improperly interprets some PATH_INFO values, producing URL paths without a leading `/`. This allows bypassing access control rules that are built with the `/-prefix` assumption. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-64500.yaml POC Details
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Qwen3.6-35B-A3B · 7582 chars
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III. Intelligence Information for CVE-2025-64500

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Vendor Advisories for CVE-2025-64500 (3)

IV. Related Vulnerabilities

Same product: symfony
Same vendor: symfony
Same weakness: CWE-647

V. Comments for CVE-2025-64500

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