# Deepseek-Ai Deepseek-Harness vulnerabilities

Source: https://junglewise.ai/threats/technologies/deepseek-harness  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/deepseek-harness.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Deepseek-Ai Deepseek-Harness: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-108789, was published on 12 October 2026. 2 vulnerabilities in the last four weeks, up 100% on the four before (1).

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## About Deepseek-Ai Deepseek-Harness

Evaluation framework for benchmarking and testing large language models.

## Latest Deepseek-Ai Deepseek-Harness vulnerabilities

- [CVE-2026-108789: DeepSeek Harness sandbox escape via injected host-realm functions](https://junglewise.ai/threats/cve-2026-108789-a-vulnerability-was-identified-in-deepseek-ai-deepseek-harness) (medium, CVSS 5.5, published 12 Oct 2026)
- [CVE-2026-108788: deepseek-harness sandbox escape via Profile argument](https://junglewise.ai/threats/cve-2026-108788-a-vulnerability-was-determined-in-deepseek-ai-deepseek-harness) (medium, CVSS 5.3, published 12 Oct 2026)
- [CVE-2026-101078: deepseek-ai deepseek-harness improper isolation in Landlock Backend](https://junglewise.ai/threats/cve-2026-101078-a-vulnerability-has-been-found-in-deepseek-ai-deepseek-harness) (medium, CVSS 6.3, published 28 Sep 2026)

## Most severe Deepseek-Ai Deepseek-Harness vulnerabilities

- [CVE-2026-101078: deepseek-ai deepseek-harness improper isolation in Landlock Backend](https://junglewise.ai/threats/cve-2026-101078-a-vulnerability-has-been-found-in-deepseek-ai-deepseek-harness) (medium, CVSS 6.3, published 28 Sep 2026)
- [CVE-2026-108789: DeepSeek Harness sandbox escape via injected host-realm functions](https://junglewise.ai/threats/cve-2026-108789-a-vulnerability-was-identified-in-deepseek-ai-deepseek-harness) (medium, CVSS 5.5, published 12 Oct 2026)
- [CVE-2026-108788: deepseek-harness sandbox escape via Profile argument](https://junglewise.ai/threats/cve-2026-108788-a-vulnerability-was-determined-in-deepseek-ai-deepseek-harness) (medium, CVSS 5.3, published 12 Oct 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up 100% on the four before (1).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 1 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 2 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Deepseek-Ai Deepseek-Harness vulnerabilities", https://junglewise.ai/threats/technologies/deepseek-harness, 12 November 2026.