CVE-2026-108788 deepseek-ai deepseek-harness Sandbox spawn sandbox
Attackers can bypass sandbox restrictions via the spawn function's Profile argument, potentially executing code or escalating privileges locally.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108788?
CVE-2026-108788 is a medium-severity vulnerability in deepseek-ai deepseek-harness, published on 12 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-108788?
How do I fix CVE-2026-108788?
No fix has been published for CVE-2026-108788 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-108788 being exploited?
There is no known exploitation of CVE-2026-108788 in the wild and no public exploit code.
Sources
Also known as GHSA-5mvr-2xwh-9v9q.