CVE-2026-108789: Enforcement of Behavioral Workflow in deepseek-ai deepseek-harness
Description
CVE-2026-108789 is a medium severity vulnerability in deepseek-ai deepseek-harness versions 0.1.1-rc.0 through 0.1.1-rc.2. It affects the agent function of the dsh-workflow-worker-thread component, allowing remote manipulation that leads to enforcement of behavioral workflow. Exploit code is publicly available, but there are no known exploits in the wild. The vendor has not responded to disclosure attempts and no patch information is available.
CVSS v4.0
Score 5.1medium
Affected software
deepseek-ai
deepseek-harness
pkg:github/deepseek-ai/deepseek-harnesscpe:2.3:a:deepseek-ai:deepseek-harness:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in deepseek-ai deepseek-harness (versions 0.1.1-rc.0, 0.1.1-rc.1, and 0.1.1-rc.2) affects the agent function within the dsh-workflow-worker-thread component. An attacker can remotely manipulate the system to enforce behavioral workflow, which may impact the intended operation of the software. The vulnerability has a CVSS 4.0 base score of 5.1, indicating medium severity. Public exploit code exists, but no active exploitation has been reported. The vendor has not provided any response or patch to date.
Potential Impact
The vulnerability allows remote attackers with low privileges and requiring user interaction to manipulate the behavioral workflow enforcement in the affected component. This could lead to unintended or malicious workflow behaviors within the application. No evidence of active exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no official fix is available, users should monitor for updates from the vendor and consider restricting network access to the affected component to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-11T08:45:05.631Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acc4a9a2cdf04f656566582
Added to database: 10/12/2026, 02:48:58 UTC
Last enriched: 10/12/2026, 03:03:29 UTC
Last updated: 10/12/2026, 03:08:11 UTC
Views: 7
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