Quick answers
- Is CVE-2026-108788 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-108788 being exploited in the wild.
- How severe is CVE-2026-108788?
- Medium severity, with a CVSS score of 5.3, published 12 October 2026.
- Which products and versions are affected?
- Deepseek-Ai Deepseek-Harness up to 0.1.1-rc.2.
- Is there a fix for CVE-2026-108788?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-108788 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-108788?
- Check whether you run Deepseek-Ai Deepseek-Harness at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability exists in the spawn function of the Sandbox component in deepseek-harness up to version 0.1.1-rc.2. An attacker can manipulate the Profile argument to escape sandbox restrictions. The attack requires local access to the host running deepseek-harness and has been publicly disclosed.
Affected products
- deepseek-ai deepseek-harness up to 0.1.1-rc.2
Timeline
- 2026-10-12: disclosed
- other: Vendor contacted early but did not respond