Description
A vulnerability was found in deepseek-ai deepseek-harness up to 0.1.0-rc.7. Impacted is the function run_code of the component Code Mode Sandbox. The manipulation results in sandbox issue. The attack can be executed remotely. The vendor's own code, SAFETY.md, and design notes all explicitly state the worker is "containment, not a security boundary". The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| deepseek-ai | 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, 0.1.0-rc.6, 0.1.0-rc.7 | — |
References
- VDB-410977 | deepseek-ai deepseek-harness Code Mode Sandbox run_code sandbox vdb-entry technical-description
- VDB-410977 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-101102 | CVE Analysis and Report third-party-advisory
- Submit #935737 | deepseek-ai deepseek-harness dsh-v0.1.0-rc.7 DeepSeek Harness `run_code` (Code Mode) executes model-written T third-party-advisory
- Submit #937812 | deepseek-ai DeepSeek Harness dsh-v0.1.0-rc.7 Command Injection (Duplicate) third-party-advisory