CVE-2026-101102

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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

CWEs

CWE-264, CWE-265

Published

2026-09-28

Modified

2026-10-01

Record from

the NVD, synced 2026-10-19

References

• https://vuldb.com/cve/CVE-2026-101102
• https://vuldb.com/submit/935737
• https://vuldb.com/submit/937812
• https://vuldb.com/vuln/410977
• https://vuldb.com/vuln/410977/cti

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