Medium 6.3Published Oct 26, 2026

CVE-2026-116367DeepSeek Harness sandbox.ts createContext

Updated under an hour ago (Oct 30, 2026, 4:50 AM ET)

Does this affect you?

It affects 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 stackFree account, 3 products Every CVE for DeepSeek Harness Exploited in the last 30 days

A vulnerability was found in DeepSeek Harness up to 0.1.0-rc.5. This vulnerability affects the function createContext of the file packages/extensions/cordis-host-runner/src/sandbox.ts. The manipulation results in sandbox issue. It is possible to launch the attack remotely. 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:N/UI:R/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 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

DeepSeek Harness 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	CNA record

References

References

https://vuldb.com/vuln/426331	vdb-entry, technical-description
https://vuldb.com/vuln/426331/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-116367	third-party-advisory
https://vuldb.com/submit/1012736	third-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.