CVE-2026-123291

Full vulnerability record from the local CVENow database.

Description

In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook

Severity

MEDIUM

CVSS score

4.3 (v3.1)

Vulnerability status

Received

Source identifier

[email protected]

Published

2026-11-06 11:17:07.730000

Last modified

2026-11-06 15:17:14.700000

View original CVE JSON

{
  "id": "CVE-2026-123291",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-06T11:17:07.730",
  "lastModified": "2026-11-06T15:17:14.700",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook"
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "JetBrains",
          "product": "Datalore",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "2026.4",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-06T14:02:08.472665Z",
          "id": "CVE-2026-123291",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.jetbrains.com/privacy-security/issues-fixed/",
      "source": "[email protected]"
    }
  ]
}