Security advisory

{
  "id": "79218298423a278e5a61178f2b7f0bca80640c73411047d50440cf8eaae18b2b",
  "url": "https://osv.dev/vulnerability/CVE-2026-64810",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-64810",
    "summary": "In JetBrains IntelliJ IDEA before 2026.2 hTML injection was possible in an IDE notification, allowing silent user activity tracking",
    "evidence": "osv:CVE-2026-64810",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-64810",
      "aliases": [
        "CVE-2026-64810"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jetbrains/intellij-community",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9baff717b4dc970b832f656e6d79c5ed50a450fc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2026.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "idea/262.8665.258",
            "idea/2026.2",
            "pycharm/262.8665.186",
            "pycharm/2026.2-rc",
            "idea/262.8665.176",
            "idea/2026.2-rc",
            "pycharm/262.8665.97",
            "pycharm/2026.2-eap-9",
            "idea/262.8665.81",
            "idea/2026.2-beta",
            "pycharm/241.10840.16",
            "idea/241.10840.26",
            "pycharm/222.2889.11",
            "pycharm/222.2889.1",
            "idea/201.5985",
            "webstorm/171.3224.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64810.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.374976173Z",
      "provider": "osv",
      "references": [
        "https://www.jetbrains.com/privacy-security/issues-fixed/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64810.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-64810"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "JetBrains",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2026.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64810.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-64810",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509170,
  "published_at": "2026-07-23T11:36:58.739+00:00"
}