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CVE-2026-24853— Caido has an insufficient patch for DNS rebind leading to RCE

Quick assessment

Affected
caido caido
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.

Caido是Caido开源的一个应用程序。旨在帮助安全专业人员和爱好者高效、轻松地审核 Web 应用程序。 Caido 0.55.0之前版本存在安全漏洞，该漏洞源于通过注入X-Forwarded-Host标头可绕过针对非白名单域名的连接限制。

CVSS 8.1 · High EPSS 0.32% · P25

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2026-24853

Vulnerability Information
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Vulnerability Title
Caido has an insufficient patch for DNS rebind leading to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
Caido is a web security auditing toolkit. Prior to 0.55.0, Caido blocks non whitelisted domains to reach out through the 8080 port, and shows Host/IP is not allowed to connect to Caido on all endpoints. But this is bypassable by injecting a X-Forwarded-Host: 127.0.0.1:8080 header. This vulnerability is fixed in 0.55.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Caido 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Caido是Caido开源的一个应用程序。旨在帮助安全专业人员和爱好者高效、轻松地审核 Web 应用程序。 Caido 0.55.0之前版本存在安全漏洞，该漏洞源于通过注入X-Forwarded-Host标头可绕过针对非白名单域名的连接限制。
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
caido caido < 0.55.0 -

II. Public POCs for CVE-2026-24853

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III. Intelligence Information for CVE-2026-24853

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Vendor Advisories for CVE-2026-24853 (1)

IV. Related Vulnerabilities

Same product: caido
Same vendor: caido
Same weakness: CWE-290