Medium severity · published Oct 12, 2026
CVE-2026-108789
deepseek-ai deepseek-harness dsh-workflow-worker-thread agent behavioral workflow
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
deepseek-harness · deepseek-ai
0.1.1-rc.0; 0.1.1-rc.1; 0.1.1-rc.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108789
vdb-entry
https://vuldb.com/vuln/416568
signature
https://vuldb.com/vuln/416568/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108789
third-party-advisory
https://vuldb.com/submit/959699
related
https://github.com/deepseek-ai/deepseek-harness/discussions/243
exploit
https://mcniyfj5bw9b.feishu.cn/docx/M5H6d9AbioNftYxwk9CchJgGnHc
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