Vulnerability in Deepseek-Ai Deepseek-Harness
CVE-2026-108788
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.
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Deepseek-Ai Deepseek-Harness — versions 0.1.1-rc.0, 0.1.1-rc.1, 0.1.1-rc.2
Weakness classification (CWE)
References
- mcniyfj5bw9b.feishu.cn/docx/EMBrd1Ak3oJDFjx48F9cYH0Snnb (exploit)
- vuldb.com/cve/CVE-2026-108788 (third-party-advisory)
- vuldb.com/submit/959696 (third-party-advisory)
- vuldb.com/vuln/416567 (technical-description, vdb-entry)
- vuldb.com/vuln/416567/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-108788?
- CVE-2026-108788 is a medium-severity vulnerability in Deepseek-Ai Deepseek-Harness, classified under CWE-264. CVSS score: 5.3/10. Published 2026-10-12.
- How severe is CVE-2026-108788?
- Medium severity. CVSS v3 base score is 5.3 out of 10.