Medium 6.3Published Sep 28, 2026

CVE-2026-101102deepseek-ai deepseek-harness Code Mode Sandbox run_code sandbox

Updated under an hour ago (2026-10-19 08:50 UTC)

Does this affect you?

It affects deepseek-ai deepseek-harness. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for deepseek-ai deepseek-harness

Exploited in the last 30 days

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: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C
Weakness (CWE): CWE-265, CWE-264
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Oct 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

deepseek-ai deepseek-harness deepseek-ai:deepseek-harness	0.1.0-rc.0; 0.1.0-rc.1; 0.1.0-rc.2; 0.1.0-rc.3; 0.1.0-rc.4; 0.1.0-rc.5; 0.1.0-rc.6; 0.1.0-rc.7	CNA record

References

https://vuldb.com/vuln/410977vdb-entry, technical-description
https://vuldb.com/vuln/410977/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-101102third-party-advisory
https://vuldb.com/submit/935737third-party-advisory
https://vuldb.com/submit/937812third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.