deepseek-ai deepseek-harness dsh-workflow-worker-thread agent behavioral workflow

{
  "id": "59f90cd375e9746e6bdf2ce1cf4e03363815e1bac6b57dad3f9ae69a994aec95",
  "url": "https://osv.dev/vulnerability/CVE-2026-108789",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "deepseek-ai deepseek-harness dsh-workflow-worker-thread agent behavioral workflow",
    "summary": "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.",
    "evidence": "osv:CVE-2026-108789",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-108789",
      "aliases": [
        "CVE-2026-108789"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/deepseek-ai/deepseek-harness",
              "type": "GIT",
              "events": [
                {
                  "introduced": "528c682e061696f5a160f363f236ecbf53cbd006"
                },
                {
                  "last_affected": "b150a551b8d465e31e418e1b2eaf5e79bbb7d28e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.1.1-rc.1"
                      },
                      {
                        "last_affected": "0.1.1-rc.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.1.1-rc.2"
                      },
                      {
                        "last_affected": "0.1.1-rc.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.1.1-rc.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.1.1-rc.1",
            "0.1.1-rc.2",
            "dsh-v0.1.1-rc.2",
            "dsh-v0.1.1-rc.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108789.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.613010898Z",
      "provider": "osv",
      "references": [
        "https://github.com/deepseek-ai/deepseek-harness/",
        "https://github.com/deepseek-ai/deepseek-harness/discussions/243",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108789.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-108789",
        "https://vuldb.com/cve/CVE-2026-108789",
        "https://vuldb.com/submit/959699",
        "https://vuldb.com/vuln/416568",
        "https://vuldb.com/vuln/416568/cti",
        "https://mcniyfj5bw9b.feishu.cn/docx/M5H6d9AbioNftYxwk9CchJgGnHc"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-840",
          "CWE-841"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.1.1-rc.0"
                  },
                  {
                    "last_affected": "0.1.1-rc.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108789.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-108789",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491008,
  "published_at": "2026-10-12T02:15:31.636+00:00"
}