CVE-2026-108789deepseek-ai deepseek-harness dsh-workflow-worker-thread agent behavioral workflow
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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
- 5.5 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-841, CWE-840
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
deepseek-ai deepseek-harness deepseek-ai:deepseek-harness | 0.1.1-rc.0; 0.1.1-rc.1; 0.1.1-rc.2 | CNA record |
References
- https://vuldb.com/vuln/416568vdb-entry, technical-description
- https://vuldb.com/vuln/416568/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-108789third-party-advisory
- https://vuldb.com/submit/959699third-party-advisory
- https://github.com/deepseek-ai/deepseek-harness/discussions/243related
- https://mcniyfj5bw9b.feishu.cn/docx/M5H6d9AbioNftYxwk9CchJgGnHcexploit
- https://github.com/deepseek-ai/deepseek-harness/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.