TI-2026-65111 Aliases CVE-2026-101078 GHSA-23q9-h232-4q79

deepseek-ai deepseek-harness Landlock Backend profiles.ts isolation

MEDIUM 55CWE-653Published 2026-09-28 · Updated 2026-09-28

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00112 1st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
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	0.1.7-rc.0; 0.1.7-rc.1; 0.1.7-rc.2	—	No fix listed	CNA

deepseek-harness Vendordeepseek-ai Affected 0.1.7-rc.0; 0.1.7-rc.1; 0.1.7-rc.2 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-2026-101078
2026-10-03 Alias added: GHSA-23q9-h232-4q79

References

Exploit 1

https://github.com/Ruoyyy/My_vulnerable/blob/main/SECURITY-MOUNT-ESCAPE.en.md

TI-2026-70824 deepseek-ai deepseek-harness dsh-workflow-worker-thread agent behavioral workflow CVSS 4.0MEDIUM 5.1
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-2026-65131 deepseek-ai deepseek-harness Code Mode Sandbox run_code sandbox CVSS 4.0MEDIUM 5.3
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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences