CVE-2026-116367

DeepSeek Harness sandbox.ts createContext

Assigner: VulDB
Reserved: 26.10.2026 Published: 26.10.2026 Updated: 26.10.2026

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

CVSS 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
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

CVSS 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
CVSS Score: 6.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	Required	Availability Impact	Low

CVSS 3.1

CVSS 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
CVSS Score: 6.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	Required	Availability Impact	Low

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C
CVSS Score: 7.5

Access Vector	Network	Confidentiality Impact	Partial
Access Complexity	Low	Integrity Impact	Partial
Authentication	None	Availability Impact	Partial

CVSS 2.0

Product Status

Vendor	DeepSeek
Product	Harness
Versions	Version 0.1.0-rc.0 is affected Version 0.1.0-rc.1 is affected Version 0.1.0-rc.2 is affected Version 0.1.0-rc.3 is affected Version 0.1.0-rc.4 is affected Version 0.1.0-rc.5 is affected

Vendor

DeepSeek

Product

Harness

Versions

Version 0.1.0-rc.0 is affected
Version 0.1.0-rc.1 is affected
Version 0.1.0-rc.2 is affected
Version 0.1.0-rc.3 is affected
Version 0.1.0-rc.4 is affected
Version 0.1.0-rc.5 is affected

Credits

JerryGW (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types