Vulnerability · Published Aug 27, 2026 · Assigned by VulDB
CVE-2026-81836RooCodeInc Roo-Code OAuth Callback oauth.ts cleartext transmission
Low 3.7
In plain English
A low-severity security flaw in Roo-Code from RooCodeInc. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| RooCodeInc | Roo-Code | 3.51.03.51.1 |
Weakness: CWE-319, CWE-310 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-396169 | RooCodeInc Roo-Code OAuth Callback oauth.ts cleartext transmission vdb-entry
- VDB-396169 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-81836 | CVE Analysis and Report third-party-advisory
- Submit #864287 | Roo-Code v3.51.1 Cleartext Transmission of Sensitive Information third-party-advisory
- https://gist.github.com/tchen200311/dcf3d36781e8246876cde7965fdda490 exploit