All vulnerabilities
CVE-2026-116367

DeepSeek Harness sandbox.ts createContext

DeepSeek Harness
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published26 Oct 2026Updated 26 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 6

  • Harnessaffected: 0.1.0-rc.0CVE List
  • Harnessaffected: 0.1.0-rc.1CVE List
  • Harnessaffected: 0.1.0-rc.2CVE List
  • Harnessaffected: 0.1.0-rc.3CVE List
  • Harnessaffected: 0.1.0-rc.4CVE List
  • Harnessaffected: 0.1.0-rc.5CVE List

References 4