{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.0"
              },
              {
                "last_affected": "3.0"
              },
              {
                "introduced": "3.1"
              },
              {
                "last_affected": "3.1"
              },
              {
                "introduced": "3.2"
              },
              {
                "last_affected": "3.2"
              },
              {
                "introduced": "3.3"
              },
              {
                "last_affected": "3.3"
              },
              {
                "introduced": "3.4"
              },
              {
                "last_affected": "3.4"
              },
              {
                "introduced": "3.5"
              },
              {
                "last_affected": "3.5"
              },
              {
                "introduced": "3.6"
              },
              {
                "last_affected": "3.6"
              },
              {
                "introduced": "3.7"
              },
              {
                "last_affected": "3.7"
              },
              {
                "introduced": "3.8"
              },
              {
                "last_affected": "3.8"
              },
              {
                "introduced": "3.9"
              },
              {
                "last_affected": "3.9"
              },
              {
                "introduced": "3.10"
              },
              {
                "last_affected": "3.10"
              },
              {
                "introduced": "3.11"
              },
              {
                "last_affected": "3.11"
              },
              {
                "introduced": "3.12"
              },
              {
                "last_affected": "3.12"
              },
              {
                "introduced": "3.13"
              },
              {
                "last_affected": "3.13"
              },
              {
                "introduced": "3.14"
              },
              {
                "last_affected": "3.14"
              },
              {
                "introduced": "3.15"
              },
              {
                "last_affected": "3.15"
              },
              {
                "introduced": "3.16"
              },
              {
                "last_affected": "3.16"
              },
              {
                "introduced": "3.17"
              },
              {
                "last_affected": "3.17"
              },
              {
                "introduced": "3.18"
              },
              {
                "last_affected": "3.18"
              },
              {
                "introduced": "3.19"
              },
              {
                "last_affected": "3.19"
              },
              {
                "introduced": "3.22.0"
              },
              {
                "last_affected": "3.22.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "ffb6557713eff769fc4f5bd62cf8ab615448e3c2"
            },
            {
              "last_affected": "6379f1d7b7f8ef7301a0d88b512ed2655946a577"
            }
          ],
          "repo": "https://github.com/man-group/dtale",
          "type": "GIT"
        }
      ],
      "versions": [
        "3.0",
        "3.1",
        "3.10",
        "3.11",
        "3.12",
        "3.13",
        "3.14",
        "3.15",
        "3.16",
        "3.17",
        "3.18",
        "3.19",
        "3.2",
        "3.22.0",
        "3.3",
        "3.4",
        "3.5",
        "3.6",
        "3.7",
        "3.8",
        "3.9"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-310",
      "CWE-330"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19896.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "3.20"
          },
          {
            "last_affected": "3.20"
          },
          {
            "introduced": "3.21"
          },
          {
            "last_affected": "3.21"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.",
  "id": "CVE-2026-19896",
  "modified": "2026-08-19T03:31:26.594551237Z",
  "published": "2026-08-15T14:15:08.291Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19896.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19896"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-19896"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/870672"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/390086"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/man-group/dtale/issues/960"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/390086/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/man-group/dtale/pull/963"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "mangroup dtale Flask Session Cookie app.py build_secret_key random values"
}