---
id: CVE-2026-101102
title: A vulnerability was found in deepseek-ai deepseek-harness up to 0.1.0-rc.7
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'…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-264
  - CWE-265
vendor: deepseek-ai
product: deepseek-harness
affected:
  - deepseek-harness 0.1.0-rc.0
  - deepseek-harness 0.1.0-rc.1
  - deepseek-harness 0.1.0-rc.2
  - deepseek-harness 0.1.0-rc.3
  - deepseek-harness 0.1.0-rc.4
  - deepseek-harness 0.1.0-rc.5
  - deepseek-harness 0.1.0-rc.6
  - deepseek-harness 0.1.0-rc.7
published: '2026-09-28'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T18:17:17.397'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101102'
references:
  - url: 'https://vuldb.com/cve/CVE-2026-101102'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/935737'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/937812'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/410977'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/410977/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-28T18:17:54.304Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.