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CVE-2026-81836— RooCodeInc Roo-Code OAuth Callback oauth.ts cleartext transmission

Quick assessment

Affected
RooCodeInc Roo-Code
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.

在 RooCodeInc 出品的 Roo-Code（版本 3.51.1 及更早）中发现了一个漏洞。该漏洞影响组件 OAuth Callback 中文件 的未知代码。该操作会导致敏感信息以明文形式传输。攻击可来自远程，但具有较高的复杂度。官方表示该漏洞利用难度较大。相关漏洞利用方法已公开且可用。此前曾向供应商报告了多个问题，供应商回应称：“这些漏洞均适用于 Roo Code，这是一个我们已不再支持的项目——该仓库早已归档，我们也不鼓励任何人继续使用它。” 此漏洞仅影响维护者已不再支持的产品。

CVSS 3.7 · Low
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I. Basic Information for CVE-2026-81836

Vulnerability Information
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Vulnerability Title
RooCodeInc Roo-Code OAuth Callback oauth.ts cleartext transmission
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in RooCodeInc Roo-Code up to 3.51.1. This vulnerability affects unknown code of the file src/integrations/claude-code/oauth.ts of the component OAuth Callback. The manipulation results in cleartext transmission of sensitive information. The attack may be performed from remote. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit is now public and may be used. Multiple isses were reported to the vendor beforehand. They explain, that "they all apply to Roo Code, a project we no longer support - the repository was archived a while ago, and we don't encourage anyone to use it." This vulnerability only affects products that are no longer supported by the maintainer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
RooCodeInc Roo-Code 3.51.0 cpe:2.3:a:roocodeinc:roo-code:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-81836

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III. Intelligence Information for CVE-2026-81836

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Proof of Concept for CVE-2026-81836 (1)

Other References for CVE-2026-81836 (3)

Same Patch Batch · RooCodeInc · 2026-08-27 · 5 CVEs total

CVE-2026-81834 6.3 MEDIUM RooCodeInc Roo-Code README File ExecaTerminalProcess code injection
CVE-2026-81837 6.3 MEDIUM RooCodeInc Roo-Code ApplyPatchTool ApplyPatchTool.ts path.resolve path traversal
CVE-2026-81833 5.5 MEDIUM RooCodeInc Roo-Code CodeIndexManager helpers.ts optimizeQuery code injection
CVE-2026-81835 5.5 MEDIUM RooCodeInc Roo-Code MCP Integration Trust Model malicious_mcp_server.py fetch_instructions

IV. Related Vulnerabilities

Same product: Roo-Code
Same vendor: RooCodeInc
Same weakness: CWE-319

V. Comments for CVE-2026-81836

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