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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (19.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Roocodeinc Roo-Code — versions 3.51.0, 3.51.1
Weakness classification (CWE)
References
- vuldb.com/vuln/396169 (vdb-entry)
- vuldb.com/vuln/396169/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-81836 (third-party-advisory)
- vuldb.com/submit/864287 (third-party-advisory)
- gist.github.com/tchen200311/dcf3d36781e8246876cde7965fdda490 (exploit)
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.