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CVE-2026-53649— Joro: Unauthenticated Cross-Origin Plugin Upload Leads to RCE

Quick assessment

Affected
BishopFox joro
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.

Joro 是一个网络利用（web exploitation）框架。在 1.1.1 版本之前，Joro 的默认代理模式会在 127.0.0.1:9090 上暴露一个本地 API，该 API 不进行身份验证，并应用了通配符 CORS 策略。由于插件上传使用的是在 CORS 中被列为安全类型的 multipart/form-data 内容类型，因此，运营者访问的任何页面上的跨域 JavaScript 都可以直接通过运营者的浏览器访问特权限定的端点——包括上传原生插件并触发重启——且无需预检请求（preflight）或凭据

CVSS 9.6 · Critical
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I. Basic Information for CVE-2026-53649

Vulnerability Information
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Vulnerability Title
Joro: Unauthenticated Cross-Origin Plugin Upload Leads to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
Joro is a web exploitation framework. Prior to version 1.1.1, Joro's default proxy mode exposes a local API on 127.0.0.1:9090 that performs no authentication and applies a wildcard CORS policy. Because plugin uploads use the CORS-safelisted multipart/form-data content type, cross-origin JavaScript on any page the operator visits can reach privileged endpoints - including uploading a native plugin and triggering a restart - directly through the operator's browser, with no preflight or credentials. Since plugins execute on load, this yields unauthenticated remote code execution as the operator's user from a single page visit. This issue has been patched in version 1.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
BishopFox joro < 1.1.1 -

II. Public POCs for CVE-2026-53649

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III. Intelligence Information for CVE-2026-53649

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Other References for CVE-2026-53649 (2)

IV. Related Vulnerabilities

Same vendor: BishopFox
Same weakness: CWE-306

V. Comments for CVE-2026-53649

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