Medium severity · published Aug 27, 2026
CVE-2026-81837
RooCodeInc Roo-Code ApplyPatchTool ApplyPatchTool.ts path.resolve path traversal
6.3
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Roo-Code · RooCodeInc
3.51.0; 3.51.1 · source: vendor
Affected product
RO
Roo-Code
RooCodeInc
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