CVE-2026-53933— Maravel-Framework Vulnerable to Side-Channel Information Disclosure (Error Oracle) via Dynamic Route Fuzzing
Quick assessment
Affected
macropay-solutions maravel-framework
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
macropay-solutions Maravel是macropay-solutions个人开发者的一款支付交易集成与管理框架。 macropay-solutions Maravel 10.73.1之前版本存在安全漏洞，该漏洞源于路由编译时将动态占位符的原始字符串键错误注册到扁平静态路由检查表，导致攻击者可故意传入字面模板语法强制触发意外匹配并产生500错误，从而泄露内部路由参数名称和控制器结构。
Possible ATT&CK Techniques 1 AI
T1041 · Exfiltration Over C2 ChannelAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| macropay-solutions | maravel-framework | < 10.73.1 |
affected |
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I. Basic Information for CVE-2026-53933
Vulnerability Information
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Vulnerability Title
Maravel-Framework Vulnerable to Side-Channel Information Disclosure (Error Oracle) via Dynamic Route Fuzzing
Source: CVE Program / CVE List V5
Vulnerability Description
Maravel, a PHP framework oriented towards dependency injection, prior to version 10.73.1 has a side-channel information disclosure issue. When a route was compiled with dynamic placeholders (e.g., `/api/v1/users/{id}`), the raw string placeholder key was mistakenly registered into the flat static route checklist. An attacker scanning endpoints could intentionally pass the literal template syntax (e.g., `GET /api/v1/users/{id}`) to force an unexpected match against the static map. Because the dynamic tree engine was bypassed, no arguments were captured. This forced modern PHP 8+ versions to throw a native `ArgumentCountError`, resulting in a 500 Internal Server Error instead of a uniform 404 Not Found. By tracking which fuzz patterns exploded into a 500 error, a malicious actor could programmatically profile and map out internal route parameter names and controller schemas. Version 10.73.1 contains a patch. As a workaround, mitigate this side-channel leak by implementing a defensive check in a global middleware. This will reject any literal brace patterns before they reach the router engine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
macropay-solutions Maravel 侧信道信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
macropay-solutions Maravel是macropay-solutions个人开发者的一款支付交易集成与管理框架。 macropay-solutions Maravel 10.73.1之前版本存在安全漏洞，该漏洞源于路由编译时将动态占位符的原始字符串键错误注册到扁平静态路由检查表，导致攻击者可故意传入字面模板语法强制触发意外匹配并产生500错误，从而泄露内部路由参数名称和控制器结构。
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 |
|---|---|---|---|---|
| macropay-solutions | maravel-framework | < 10.73.1 | - |
|
II. Public POCs for CVE-2026-53933
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-53933 (1)
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🔗 Home | Maravel Micro-Framework Docs x_refsource_MISC
Vendor Pages for CVE-2026-53933 (1)
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🔗 macropay-solutions/maravel-framework - Packagist.org x_refsource_CONFIRM