Vulnerability in Deepseek-Ai Deepseek-Harness
CVE-2026-101078
A vulnerability has been found in deepseek-ai deepseek-harness up to 0.1.7-rc.2. Affected is an unknown function of the file packages/sandbox/sandbox-local/src/profiles.ts of the component Landlock Backend. Such manipulation leads to improper isolation or compartmentalization. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. It is advisable to implement a patch to correct this issue. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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 0.1.7-rc.0, 0.1.7-rc.1, 0.1.7-rc.2
Weakness classification (CWE)
References
- vuldb.com/vuln/410949 (vdb-entry)
- vuldb.com/vuln/410949/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-101078 (third-party-advisory)
- vuldb.com/submit/929381 (third-party-advisory)
- github.com/Ruoyyy/My_vulnerable/blob/main/SECURITY-MOUNT-ESCAPE.en.md (exploit)
Frequently asked questions
- What is CVE-2026-101078?
- CVE-2026-101078 is a medium-severity vulnerability in Deepseek-Ai Deepseek-Harness, classified under CWE-653. CVSS score: 6.3/10. Published 2026-09-28.
- How severe is CVE-2026-101078?
- Medium severity. CVSS v3 base score is 6.3 out of 10.