{
  "fix": "IntelliJ IDEA Ultimate Edition 2026.2.3",
  "url": "https://patchblox.com/security/fix/windows-app/jetbrains.intellijidea.ultimate-2026.2.3",
  "summary": "IntelliJ IDEA Ultimate Edition 2026.2.3, released September 16, 2026, fixes 25 CVEs in IntelliJ IDEA Ultimate Edition. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "IntelliJ IDEA Ultimate Edition 2026.2.3",
  "released": "2026-09-16T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-59792, rated Critical",
  "supported": true,
  "cveCount": 25,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00605,
  "maxCvss": 10,
  "appliesTo": [
    {
      "product": "IntelliJ IDEA Ultimate Edition",
      "productUrl": "https://patchblox.com/security/product/windows-app/intellij-idea-ultimate-edition",
      "fixedVersion": "2026.2.3",
      "latestVersion": "2026.2.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-59792",
      "url": "https://patchblox.com/security/cve/CVE-2026-59792",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.1.4, 2026.2 code execution via path traversal in project workspace\u2026",
      "priority": "Urgent",
      "cvss": 9.8,
      "epss": 0.00605,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64813",
      "url": "https://patchblox.com/security/cve/CVE-2026-64813",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification was possible in a Remote\u2026",
      "priority": "Urgent",
      "cvss": 10,
      "epss": 0.00522,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64812",
      "url": "https://patchblox.com/security/cve/CVE-2026-64812",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development\u2026",
      "priority": "Urgent",
      "cvss": 10,
      "epss": 0.00483,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64815",
      "url": "https://patchblox.com/security/cve/CVE-2026-64815",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2 arbitrary code injection was possible via UI Designer form files",
      "priority": "Urgent",
      "cvss": 9.8,
      "epss": 0.00482,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-49366",
      "url": "https://patchblox.com/security/cve/CVE-2026-49366",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.1.1 command injection was possible via filename completion",
      "priority": "High",
      "cvss": 7.8,
      "epss": 0.00455,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64814",
      "url": "https://patchblox.com/security/cve/CVE-2026-64814",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2 unauthorized file access was possible in a Remote Development\u2026",
      "priority": "High",
      "cvss": 8.6,
      "epss": 0.00394,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-49367",
      "url": "https://patchblox.com/security/cve/CVE-2026-49367",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.1.1 command execution was possible via the guest user account",
      "priority": "High",
      "cvss": 8.8,
      "epss": 0.00332,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86502",
      "url": "https://patchblox.com/security/cve/CVE-2026-86502",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.2 missing TLS and authentication on the IJent gRPC server allowed\u2026",
      "priority": "High",
      "cvss": 8.4,
      "epss": 0.0021,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75056",
      "url": "https://patchblox.com/security/cve/CVE-2026-75056",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.1 rCE via Markdown export tool was possible",
      "priority": "High",
      "cvss": 7.8,
      "epss": 0.00194,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64811",
      "url": "https://patchblox.com/security/cve/CVE-2026-64811",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2 arbitrary code execution was possible before granting project\u2026",
      "priority": "High",
      "cvss": 7.8,
      "epss": 0.00185,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86504",
      "url": "https://patchblox.com/security/cve/CVE-2026-86504",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust confirmation before building a Dev Container\u2026",
      "priority": "High",
      "cvss": 7.8,
      "epss": 0.00185,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-49382",
      "url": "https://patchblox.com/security/cve/CVE-2026-49382",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.1 code execution was possible via template injection in the Copyright\u2026",
      "priority": "High",
      "cvss": 7.8,
      "epss": 0.00135,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-100256",
      "url": "https://patchblox.com/security/cve/CVE-2026-100256",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script constraints was possible\u2026",
      "priority": "High",
      "cvss": 7.8,
      "epss": 0.00133,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86501",
      "url": "https://patchblox.com/security/cve/CVE-2026-86501",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.2 terminal command input could be written to idea.log",
      "priority": "Routine",
      "cvss": 2.8,
      "epss": 0.0039,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64810",
      "url": "https://patchblox.com/security/cve/CVE-2026-64810",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2 hTML injection was possible in an IDE notification, allowing\u2026",
      "priority": "Routine",
      "cvss": 6.1,
      "epss": 0.00253,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75053",
      "url": "https://patchblox.com/security/cve/CVE-2026-75053",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.1 sSRF was possible via the DevKit debug listener endpoint",
      "priority": "Routine",
      "cvss": 5.4,
      "epss": 0.0024,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75052",
      "url": "https://patchblox.com/security/cve/CVE-2026-75052",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.1 command execution via crafted Markdown preview content was\u2026",
      "priority": "Routine",
      "cvss": 4.4,
      "epss": 0.00175,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75057",
      "url": "https://patchblox.com/security/cve/CVE-2026-75057",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.1.5 git credentials were written in plaintext to the IDE log",
      "priority": "Routine",
      "cvss": 6.2,
      "epss": 0.00169,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75054",
      "url": "https://patchblox.com/security/cve/CVE-2026-75054",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.1 sSRF was possible via the OpenAPI preview proxy in untrusted\u2026",
      "priority": "Routine",
      "cvss": 6.3,
      "epss": 0.00153,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75055",
      "url": "https://patchblox.com/security/cve/CVE-2026-75055",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.1 hadoop ResourceManager could read local files via XXE",
      "priority": "Routine",
      "cvss": 5.5,
      "epss": 0.00153,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-75058",
      "url": "https://patchblox.com/security/cve/CVE-2026-75058",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.1 xXE was possible in the Eclipse settings importers",
      "priority": "Routine",
      "cvss": 5.5,
      "epss": 0.00153,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86505",
      "url": "https://patchblox.com/security/cve/CVE-2026-86505",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust check leaked project metadata to JetBrains\u2026",
      "priority": "Routine",
      "cvss": 3.3,
      "epss": 0.00153,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86503",
      "url": "https://patchblox.com/security/cve/CVE-2026-86503",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.2.2 opening an untrusted project could trigger SSRF via Kubernetes\u2026",
      "priority": "Routine",
      "cvss": 3.3,
      "epss": 0.00145,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-49383",
      "url": "https://patchblox.com/security/cve/CVE-2026-49383",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2026.1 xXE in the UI Designer form parser was possible",
      "priority": "Routine",
      "cvss": 3.3,
      "epss": 0.00109,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-68269",
      "url": "https://patchblox.com/security/cve/CVE-2025-68269",
      "title": "IntelliJ IDEA Ultimate Edition and 1 other: In JetBrains IntelliJ IDEA before 2025.3 missing confirmation allowed opening of untrusted remote projects\u2026",
      "priority": "Routine",
      "cvss": 5.4,
      "epss": 0.00107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T13:55:20Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}