CVE-2026-116367
Medium
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.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Deepseek Harness
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-265CWE-265CWE-264CWE-264
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| 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 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.