CVE-2026-101102

deepseek-ai deepseek-harness Code Mode Sandbox run_code sandbox

State
Published
Severity
5.3 Medium
Published
Sep 28, 2026
Updated
Oct 1, 2026
Reserved
Sep 28, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.05.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:XVulDB
3.16.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:CVulDB
3.06.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:CVulDB
2.06.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
deepseek-harnessdeepseek-ai
  • 0.1.0-rc.0Affected
  • 0.1.0-rc.1Affected
  • 0.1.0-rc.2Affected
  • 0.1.0-rc.3Affected
  • 0.1.0-rc.4Affected
  • 0.1.0-rc.5Affected
  • 0.1.0-rc.6Affected
  • 0.1.0-rc.7Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.