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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/treeio/treeio",
          "product": "treeio",
          "repo": "https://github.com/treeio/treeio",
          "vendor": "treeio",
          "versions": [
            {
              "lessThanOrEqual": "2.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "MJ DHURGESH"
        }
      ],
      "datePublic": "2026-11-06T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Treeio through 2.0 contains an insecure deserialization vulnerability in UpdateRecord.get_format_strings and ModuleSetting.loads that allows staff users to execute code via unverified pickle data. Attackers can store a crafted base64 pickle payload in an UpdateRecord format_strings field through the Django admin, executing Python code as the web server user when news feeds render."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-07T14:17:57.859Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/treeio/treeio/issues/165"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/treeio/treeio/blob/bae3115f4015aad2cbc5ab45572232ceec990495/treeio/core/models.py#L1101-L1109"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/treeio/treeio/blob/bae3115f4015aad2cbc5ab45572232ceec990495/treeio/core/models.py#L1265-L1273"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/treeio/treeio"
        },
        {
          "name": "VulnCheck Advisory: Treeio through 2.0 Insecure Deserialization RCE via Admin-Editable Pickle Fields",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/treeio-through-2.0-insecure-deserialization-rce-via-admin-editable-pickle-fields"
        }
      ],
      "tags": [
        "unsupported-when-assigned"
      ],
      "title": "Treeio through 2.0 Insecure Deserialization RCE via Admin-Editable Pickle Fields",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-124318",
    "datePublished": "2026-11-07T14:17:57.859Z",
    "dateReserved": "2026-11-07T12:27:51.208Z",
    "dateUpdated": "2026-11-07T14:17:57.859Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}