IRIS has an Excessive Data Exposure issue

{
  "id": "62c6f41d3144d70be0b9b1ad6a12781d0cbc2bcb56ffdaa4cb3cbbf63f921b44",
  "url": "https://osv.dev/vulnerability/CVE-2026-42539",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "IRIS has an Excessive Data Exposure issue",
    "summary": "IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 return sensitive data to the user which are not required for the client’s operation. Version 2.4.28 contains a patch.",
    "evidence": "osv:CVE-2026-42539",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-42539",
      "aliases": [
        "CVE-2026-42539",
        "GHSA-g588-5gmf-p5cx"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dfir-iris/iris-web",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "bbffcafa95ece7ff4a32f38addbd28f6c2389a64"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.4.28"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.4.28"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.4.27",
            "v2.4.26",
            "v2.4.25",
            "v2.4.24",
            "v2.4.23",
            "v2.4.22",
            "v2.4.21",
            "v2.4.20",
            "v2.4.18",
            "v2.4.16",
            "v2.4.13",
            "v2.4.12",
            "v2.4.10",
            "v2.4.6",
            "v2.4.0",
            "v2.3.3",
            "v2.3.2",
            "v2.3.1",
            "v2.3.0",
            "v2.2.3",
            "v2.2.2",
            "v2.2.1",
            "v2.2.0",
            "v2.1.0-beta-1",
            "v2.1.0",
            "v2.1.0-beta-2",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v1.4.2",
            "v1.3.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42539.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.461208156Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42539.json",
        "https://github.com/dfir-iris/iris-web/security/advisories/GHSA-g588-5gmf-p5cx",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-42539"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-201"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42539.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-42539",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493850,
  "published_at": "2026-06-04T20:54:51.107+00:00"
}