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CVE-2026-81837— RooCodeInc Roo-Code ApplyPatchTool ApplyPatchTool.ts path.resolve path traversal

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 的 Roo-Code（版本 3.51.1 及之前）中发现了一个缺陷。该问题影响了 文件中 组件的 函数。该操作会导致路径遍历（Path Traversal）漏洞。攻击者可以远程发起攻击，且利用方法已公开，可能被实际利用。此前已多次向供应商报告了相关问题。供应商回应称：“这些问题均涉及 Roo Code，即一个我们不再支持的项目——该仓库已归档一段时间，我们不建议任何人继续使用它。”此漏洞仅影响维护者不再支持的产品。

CVSS 6.3 · Medium EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
RooCodeInc Roo-Code 3.51.0 affected
3.51.1 affected
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I. Basic Information for CVE-2026-81837

Vulnerability Information
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Vulnerability Title
RooCodeInc Roo-Code ApplyPatchTool ApplyPatchTool.ts path.resolve path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in RooCodeInc Roo-Code up to 3.51.1. This issue affects the function path.resolve of the file src/core/tools/ApplyPatchTool.ts of the component ApplyPatchTool. This manipulation causes path traversal. It is possible to initiate the attack remotely. The exploit has been published 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:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
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-2026-81837

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III. Intelligence Information for CVE-2026-81837

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Vendor Advisories for CVE-2026-81837 (1)

Security Blog Posts for CVE-2026-81837 (1)

Other References for CVE-2026-81837 (2)

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-2026-81833 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
CVE-2026-81836 3.7 LOW RooCodeInc Roo-Code OAuth Callback oauth.ts cleartext transmission

IV. Related Vulnerabilities

Same product: Roo-Code
Same vendor: RooCodeInc
Same weakness: CWE-22

V. Comments for CVE-2026-81837

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