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CVE-2026-101078— deepseek-ai deepseek-harness Landlock Backend profiles.ts isolation

Quick assessment

Affected
deepseek-ai deepseek-harness
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 deepseek-ai 开发的 deepseek-harness（版本不超过 0.1.7-rc.2）中发现了一个安全漏洞。受影响的组件为 Landlock Backend，具体涉及文件 packages/sandbox/sandbox-local/src/profiles.ts 中的某个未知函数。该漏洞可能导致隔离或沙箱机制失效，无法实现应有的隔离或分区保护。 攻击者必须在本地执行利用操作。该漏洞的利用方法已被公开，攻击者可据此进行攻击。建议尽快应用补丁以修复此问题。 尽管厂商在漏洞披露初期已被联系，但至今未作

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1565.001 · Stored Data Manipulation

Affected Version Matrix 3

VendorProduct Version RangeStatus
deepseek-ai deepseek-harness 0.1.7-rc.0 affected
0.1.7-rc.1 affected
0.1.7-rc.2 affected
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I. Basic Information for CVE-2026-101078

Vulnerability Information
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Vulnerability Title
deepseek-ai deepseek-harness Landlock Backend profiles.ts isolation
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in deepseek-ai deepseek-harness up to 0.1.7-rc.2. Affected is an unknown function of the file packages/sandbox/sandbox-local/src/profiles.ts of the component Landlock Backend. Such manipulation leads to improper isolation or compartmentalization. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. It is advisable to implement a patch to correct this issue. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的划分
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
deepseek-ai deepseek-harness 0.1.7-rc.0 cpe:2.3:a:deepseek-ai:deepseek-harness:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-101078

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III. Intelligence Information for CVE-2026-101078

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Other References for CVE-2026-101078 (1)

Same Patch Batch · deepseek-ai · 2026-09-28 · 3 CVEs total

CVE-2026-101102 6.3 MEDIUM deepseek-ai deepseek-harness Code Mode Sandbox run_code sandbox
CVE-2026-101131 3.3 LOW deepseek-ai deepseek-harness dsh index.ts reliance on untrusted inputs in a security decis

IV. Related Vulnerabilities

Same product: deepseek-harness
Same vendor: deepseek-ai
Same weakness: CWE-653

V. Comments for CVE-2026-101078

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