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CVE-2026-33242— Salvo has a Path Traversal in salvo-proxy::encode_url_path allows API Gateway Bypass

CVSS 7.5 · High EPSS 0.02% · P7
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I. Basic Information for CVE-2026-33242

Vulnerability Information
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Vulnerability Title
Salvo has a Path Traversal in salvo-proxy::encode_url_path allows API Gateway Bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
Salvo is a Rust web framework. Versions 0.39.0 through 0.89.2 have a Path Traversal and Access Control Bypass vulnerability in the salvo-proxy component. The vulnerability allows an unauthenticated external attacker to bypass proxy routing constraints and access unintended backend paths (e.g., protected endpoints or administrative dashboards). This issue stems from the encode_url_path function, which fails to normalize "../" sequences and inadvertently forwards them verbatim to the upstream server by not re-encoding the "." character. Version 0.89.3 contains a patch.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
salvo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
salvo是Salvo开源的一个web框架。 Salvo 0.39.0至0.89.2版本存在安全漏洞，该漏洞源于salvo-proxy组件中的encode_url_path函数未能规范化../序列，可能导致路径遍历和访问控制绕过。
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

VendorProductAffected VersionsCPESubscribe
salvo-rssalvo >= 0.39.0, < 0.89.3 -

II. Public POCs for CVE-2026-33242

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III. Intelligence Information for CVE-2026-33242

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IV. Related Vulnerabilities

Same product: salvo
Same vendor: salvo-rs
Same weakness: CWE-22

V. Comments for CVE-2026-33242

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