CVE-2026-44372— Nitro: Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-44372
Vulnerability Information
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Vulnerability Title
Nitro: Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could turn a redirect route rule using wildcards rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. This vulnerability is fixed in 3.0.260429-beta.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nitro 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nitro是Nitro开源的一个零配置的生产级服务器扩展工具。 Nitro 3.0.260429-beta之前版本存在输入验证错误漏洞，该漏洞源于攻击者可通过在规则前缀后添加额外斜杠将使用通配符的重定向路由规则转换为跨主机重定向。
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
II. Public POCs for CVE-2026-44372
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- https://github.com/nitrojs/nitro/pull/4236x_refsource_MISC
- https://github.com/nitrojs/nitro/releases/tag/v2.13.4x_refsource_MISC
- https://github.com/nitrojs/nitro/releases/tag/v3.0.260429-betax_refsource_MISC
- https://github.com/nitrojs/nitro/security/advisories/GHSA-9phm-9p8f-hw5mx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-44372
IV. Related Vulnerabilities
Same weakness: CWE-601
- CVE-2026-42207
Magento LTS: Open Redirect via Unvalidated `uenc` Parameter - CVE-2026-44427
MCP Registry: Open Redirect - CVE-2026-44520
Docling-Graph: SSRF via Missing Internal IP Validation in UR - CVE-2026-45448
ntopng - CWE-601: URL Redirection to Untrusted Site ('Open R - CVE-2026-44503
Kiota abstractions RedirectHandler leaks Cookie/Proxy-Author
V. Comments for CVE-2026-44372
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