CVE-2026-123847

Full vulnerability record from the local CVENow database.

Description

In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in terminal command completion

Severity

MEDIUM

CVSS score

5.3 (v3.1)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-11-06 17:17:23.560000

Last modified

2026-11-06 20:20:05.730000

View original CVE JSON

{
  "id": "CVE-2026-123847",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-06T17:17:23.560",
  "lastModified": "2026-11-06T20:20:05.730",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in terminal command completion"
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "JetBrains",
          "product": "IntelliJ IDEA",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "2026.3",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 4.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-06T16:40:02.182685Z",
          "id": "CVE-2026-123847",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-150"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.jetbrains.com/privacy-security/issues-fixed/",
      "source": "[email protected]"
    }
  ]
}