CVE-2026-116367
DeepSeek Harness sandbox.ts createContext
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Harness DeepSeek |
0.1.0-rc.0 (affected) 0.1.0-rc.1 (affected) 0.1.0-rc.2 (affected) 0.1.0-rc.3 (affected) 0.1.0-rc.4 (affected) 0.1.0-rc.5 (affected) |
CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.3 medium |
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 | CNA: VulDB |
| 3.1 / 6.3 medium |
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 | CNA: VulDB |
| 3.0 / 6.3 medium |
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 | CNA: VulDB |
| 2.0 / 7.5 high |
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C | CNA: VulDB |
Exploit evidence
- https://vuldb.com/submit/1012736
exploit · ADP: CISA-ADP
References
- https://vuldb.com/vuln/426331CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/426331/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-116367CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1012736CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1012736ADP: CISA-ADP · exploit
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