NVD security advisory
Security advisory for A vulnerability was found in DeepSeek Harness
CVE-2026-116367
Full advisory details, affected packages, severity context, and original source.
Affected technology
A vulnerability was found in DeepSeek HarnessAffected product
Advisory overview
A vulnerability was found in DeepSeek Harness up to 0.1.0-rc.5. This vulnerability affects the function createContext of the file packages/extensions/cordis-host-runner/src/sandbox.ts. The manipulation results in sandbox issue. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.