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CVE-2026-67182— Rouille 0.3.3 - 3.6.2 HTTP Request Smuggling via proxy Header Injection

Quick assessment

Affected
tomaka rouille
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.

tomaka rouille是tomaka个人开发者的一个Rust的Web开发框架。 tomaka rouille 0.3.3版本至3.6.2版本存在输入验证错误漏洞，该漏洞源于HTTP请求夹带漏洞，远程攻击者通过注入换行符到客户端请求标头值中，可绕过访问控制。

CVSS 7.5 · High EPSS 0.63% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
tomaka rouille 0.3.3≤ 3.6.2 affected
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I. Basic Information for CVE-2026-67182

Vulnerability Information
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Vulnerability Title
Rouille 0.3.3 - 3.6.2 HTTP Request Smuggling via proxy Header Injection
Source: CVE Program / CVE List V5
Vulnerability Description
Rouille 0.3.3 through 3.6.2 contains an HTTP request smuggling vulnerability that allows remote attackers to bypass access controls by injecting bare line feed characters (0x0A) into client-supplied request header values that are copied verbatim to upstream connections without validation. Attackers can craft a header value containing a complete additional HTTP request that is interpreted as a separate request by backends such as Go net/http and Python http.server, causing the backend to process a smuggled request with attacker-chosen method, path, and headers that bypasses the rouille handler's access control logic.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
tomaka rouille 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tomaka rouille是tomaka个人开发者的一个Rust的Web开发框架。 tomaka rouille 0.3.3版本至3.6.2版本存在输入验证错误漏洞，该漏洞源于HTTP请求夹带漏洞，远程攻击者通过注入换行符到客户端请求标头值中，可绕过访问控制。
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
tomaka rouille 0.3.3 ~ 3.6.2 -

II. Public POCs for CVE-2026-67182

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8218 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-67182

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Vendor Advisories for CVE-2026-67182 (1)

Proof of Concept for CVE-2026-67182 (1)

Same Patch Batch · tomaka · 2026-07-28 · 4 CVEs total

CVE-2026-66754 5.9 MEDIUM Rouille 0.1.6 - 3.6.2 Reachable Assertion DoS via remove_prefix percent-encoding
CVE-2026-66746 5.4 MEDIUM Rouille 0.4.0 - 3.6.2 HTTP Response Splitting via Header Injection
CVE-2026-67181 5.4 MEDIUM Rouille 0.3.3 - 3.6.2 HTTP Request Smuggling via proxy Transfer-Encoding Header

IV. Related Vulnerabilities

Same product: rouille
Same vendor: tomaka
Same weakness: CWE-444

V. Comments for CVE-2026-67182

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