A vulnerability was identified in deepseek-ai deepseek-harness up to 0.1.1-rc.2. This affects the function agent of the component dsh-workflow-worker-thread. The manipulation leads to enforcement of behavioral workflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Deepseek-ai
  • Deepseek-harness

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References
Link Providers
https://github.com/deepseek-ai/deepseek-harness/ cve-icon cve-icon
https://github.com/deepseek-ai/deepseek-harness/discussions/243 cve-icon cve-icon
https://mcniyfj5bw9b.feishu.cn/docx/M5H6d9AbioNftYxwk9CchJgGnHc cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-108789 cve-icon cve-icon
https://vuldb.com/submit/959699 cve-icon cve-icon
https://vuldb.com/vuln/416568 cve-icon cve-icon
https://vuldb.com/vuln/416568/cti cve-icon cve-icon
History

Tue, 13 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 12 Oct 2026 03:00:00 +0000

Type Values Removed Values Added
Description A vulnerability was identified in deepseek-ai deepseek-harness up to 0.1.1-rc.2. This affects the function agent of the component dsh-workflow-worker-thread. The manipulation leads to enforcement of behavioral workflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title deepseek-ai deepseek-harness dsh-workflow-worker-thread agent behavioral workflow
First Time appeared Deepseek-ai
Deepseek-ai deepseek-harness
Weaknesses CWE-840
CWE-841
CPEs cpe:2.3:a:deepseek-ai:deepseek-harness:*:*:*:*:*:*:*:*
Vendors & Products Deepseek-ai
Deepseek-ai deepseek-harness
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-10-12T02:15:31.636Z

Updated: 2026-10-13T14:22:56.082Z

Reserved: 2026-10-11T08:45:05.631Z

Link: CVE-2026-108789

cve-icon Vulnrichment

Updated: 2026-10-13T14:22:44.784Z

cve-icon NVD

Status : Deferred

Published: 2026-10-12T03:17:17.820

Modified: 2026-10-13T15:17:32.560

Link: CVE-2026-108789

cve-icon Redhat

No data.