CVE-2026-116367DeepSeek Harness sandbox.ts createContext

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• VDB-426331 | DeepSeek Harness sandbox.ts createContext vdb-entrytechnical-description
• VDB-426331 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-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