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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Deepseek
  • Harness

No data.

No data.

References
Link Providers
https://vuldb.com/cve/CVE-2026-116367 cve-icon cve-icon
https://vuldb.com/submit/1012736 cve-icon cve-icon cve-icon
https://vuldb.com/vuln/426331 cve-icon cve-icon
https://vuldb.com/vuln/426331/cti cve-icon cve-icon
History

Mon, 02 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 26 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Description 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.
Title DeepSeek Harness sandbox.ts createContext
First Time appeared Deepseek
Deepseek harness
Weaknesses CWE-264
CWE-265
CPEs cpe:2.3:a:deepseek:harness:*:*:*:*:*:*:*:*
Vendors & Products Deepseek
Deepseek harness
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-10-26T15:30:15.468Z

Updated: 2026-11-02T17:44:41.105Z

Reserved: 2026-10-26T08:01:44.514Z

Link: CVE-2026-116367

cve-icon Vulnrichment

Updated: 2026-11-02T17:44:35.791Z

cve-icon NVD

Status : Deferred

Published: 2026-10-26T16:17:17.977

Modified: 2026-11-02T18:18:41.690

Link: CVE-2026-116367

cve-icon Redhat

No data.