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Roo-Code EUVDEUVD-2026-67286

| CVE-2026-81837 LOW
Path Traversal (CWE-22)
2026-08-27 VulDB GHSA-pjx2-9jx7-x89r
Path Traversal Roo Code
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
6.3 MEDIUM

Network-reachable with no privileges, but passive user interaction required (UI:R per 4.0 UI:P); limited low-impact read/write, no scope change.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

4
Severity Changed
Aug 28, 2026 - 00:22 NVD
MEDIUM LOW
CVSS changed
Aug 28, 2026 - 00:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
Aug 28, 2026 - 00:08 vuln.today
CVE Published
Aug 27, 2026 - 21:30 cve.org
MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

Path traversal in RooCodeInc Roo-Code through version 3.51.1 allows remote unauthenticated attackers to read and write files outside the intended working directory by manipulating input processed by the path.resolve function in ApplyPatchTool.ts. The vendor has confirmed they archived the repository and discontinued all support, meaning no patch will ever be released. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send crafted network request with traversal payload
Exploit
ApplyPatchTool receives unsanitized path input
Execution
path.resolve resolves traversal to out-of-scope filesystem location
Impact
Read or write arbitrary files as the running process user
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Vulnerability AssessmentAI

Exploitation The ApplyPatchTool feature must be active and reachable over the network, which reflects Roo-Code's intended operation as a network-accessible AI coding assistant. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.3 (Medium) reflects network reachability with low complexity and no privileges, but the impact is capped at Low across confidentiality, integrity, and availability - consistent with a path traversal that allows partial file access rather than full remote code execution. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated remote attacker sends a crafted patch request to a running Roo-Code instance containing directory traversal sequences in the file path parameter processed by ApplyPatchTool. The path.resolve call resolves the traversal sequences without sanitization, allowing the attacker to read sensitive files (e.g., ~/.ssh/id_rsa, environment files) or write arbitrary content to locations outside the project directory. …
Remediation No vendor-released patch identified at time of analysis - the vendor has archived the Roo-Code repository and explicitly states they no longer support it. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-67286 vulnerability details – vuln.today
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