CVE-2026-81836: Roocodeinc Roo-Code

Low severity, CVSS 3.7. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Roocodeinc Roo-Code: version 3.51.0 only; version 3.51.1 only

Published 2026-08-28. Last modified 2026-08-31.