deepseek-ai deepseek-harness Code Mode Sandbox run_code sandbox
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-264.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| 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 | — | No fix listed | CNA |
- deepseek-harness Vendordeepseek-ai Affected 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 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:deepseek-ai:deepseek-harness:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:deepseek-ai:deepseek-harness:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-101102
- 2026-10-03 Alias added: GHSA-m9ww-cpfc-8cf2
References
—
More deepseek-ai vulnerabilities
- TI-2026-70824 deepseek-ai deepseek-harness dsh-workflow-worker-thread agent behavioral workflow CVSS 4.0MEDIUM 5.1
- TI-2026-65111 deepseek-ai deepseek-harness Landlock Backend profiles.ts isolation CVSS 4.0MEDIUM 4.8
- TI-2026-85128 Missing authentication in DeepSeek RPC allows command execution CVSS 4.0HIGH 8.6
- TI-2026-83554 Path traversal in DeepInfer lets attackers create directories CVSS 4.0MEDIUM 6.3
- TI-2026-70823 deepseek-ai deepseek-harness Sandbox spawn sandbox CVSS 4.0MEDIUM 4.8
- TI-2026-65140 deepseek-ai deepseek-harness dsh index.ts reliance on untrusted inputs in a security decision CVSS 4.0MEDIUM 4.8
Sources
- CVE-2026-101102 · CVE Program
- CVE-2026-101102 · NVD
- FIRST EPSS
- GHSA-m9ww-cpfc-8cf2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences