CVE-2026-101102
Medium
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.
SeverityMedium
CVSS6.3
Exploit probability—
ProductDeepseek-ai Deepseek-harness
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-265CWE-265CWE-264CWE-264
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| 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 | — |
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