Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| DeepSeek | Harness | 0.1.0-rc.0, 0.1.0-rc.1, 0.1.0-rc.2, 0.1.0-rc.3, 0.1.0-rc.4, 0.1.0-rc.5 | — |
References
- VDB-426331 | DeepSeek Harness sandbox.ts createContext vdb-entry technical-description
- VDB-426331 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-116367 | CVE Analysis and Report third-party-advisory
- Submit #1012736 | DeepSeek deepseek-harness（@deepseek-ai/dsh，DeepSeek Harness） 0.2.0-rc.2 Remote Code Execution third-party-advisory