CVE-2026-47072— Hackney WebSocket升级请求CRLF注入漏洞
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一、 漏洞 CVE-2026-47072 基础信息
漏洞信息
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Vulnerability Title
CRLF injection in WebSocket upgrade request in hackney
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in benoitc hackney allows HTTP Request/Response Splitting. The WebSocket upgrade code in src/hackney_ws.erl copies the host, path, headers (ExtraHeaders), and protocols options from the caller-supplied opts map into the internal #ws_data{} record in init/1 and then splices them verbatim into the raw HTTP/1.1 upgrade request by binary concatenation in do_handshake/1. No CRLF or NUL stripping is performed at any of these four injection sites. An attacker who controls any of these options — for example by forwarding URL components or header values from untrusted input into hackney_ws:start_link/1 — can inject arbitrary HTTP headers into the outbound WebSocket upgrade request, leading to header injection, credential spoofing toward the upstream server, log and cache poisoning, or request smuggling via intermediary proxies. This issue affects hackney: from 2.0.0 before 4.0.1.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
来源: 美国国家漏洞数据库 NVD
受影响产品
二、漏洞 CVE-2026-47072 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-47072 补丁与修复 (1)
CVE-2026-47072 厂商安全公告 (3)
- EEF-CVE-2026-47072 - OSVrelated
同批安全公告 · benoitc · 2026-05-25 · 共 10 条
| CVE-2026-47070 | hackney HTTP/3 重定向处理器泄露凭证漏洞 | |
| CVE-2026-47069 | hackney cookie域名/路径CRLF注入漏洞 | |
| CVE-2026-47076 | Hackney SSRF白名单绕过漏洞 | |
| CVE-2026-47073 | Hackney WebSocket客户端非受限内存消耗漏洞 | |
| CVE-2026-47075 | hackney 查询参数 CR/LF 注入漏洞 | |
| CVE-2026-47077 | hackney HTTP/3 响应循环中无界体积累漏洞 | |
| CVE-2026-47067 | hackney 因不可识别URL方案导致原子表耗尽漏洞 | |
| CVE-2026-47071 | Hackney SOCKS5 TLS升级忽略调用者超时漏洞 | |
| CVE-2026-47066 | hackney Alt-Svc头解析器无限循环漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-47072
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