Vulnerability in Roocodeinc Roo-Code

CVE-2026-81836

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.

Vulnerability class: POODLE (CVE-2014-3566)

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-81836?
CVE-2026-81836 is a low-severity vulnerability in Roocodeinc Roo-Code, classified under Cryptographic Issues. CVSS score: 3.7/10. Published 2026-08-28.
How severe is CVE-2026-81836?
Low severity. CVSS v3 base score is 3.7 out of 10.