Security advisory

{
  "id": "ba2ea1c32dee9caf62ac8c2c10ba3f28124f7c9b24ac0820c986489c7fe2710d",
  "url": "https://osv.dev/vulnerability/CVE-2019-15610",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-15610",
    "summary": "Improper authorization in the Circles app 0.17.7 causes retaining access when an email address was removed from a circle.",
    "evidence": "osv:CVE-2019-15610",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-15610",
      "aliases": [
        "CVE-2019-15610"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nextcloud/circles",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "954e7e1f300f9fcd169a72f7cca33179483d0344"
                },
                {
                  "introduced": "87018166384657acd05a5b35827f47a35eb34e12"
                },
                {
                  "fixed": "fe1ee6a819008ecb7ee12c4db51c306b59f9cf4b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.16.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.16.12"
                      },
                      {
                        "fixed": "0.17.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.16.10",
            "v0.16.9",
            "v0.17.7",
            "v0.17.6",
            "v0.16.8",
            "v0.17.5",
            "v0.16.7",
            "v0.16.6",
            "v0.17.4",
            "v0.17.3",
            "v0.16.5",
            "v0.16.4",
            "v0.17.2",
            "v0.16.3",
            "v0.16.2",
            "v0.17.1",
            "v0.17.0",
            "v0.16.1",
            "v0.16.0",
            "v0.15.1",
            "v0.15.0",
            "v0.14.2",
            "0.14.1",
            "v0.14.0",
            "v0.13.6",
            "v0.13.5",
            "v0.13.4",
            "v0.13.3",
            "v0.13.2",
            "v0.13.1",
            "v0.13.0",
            "v0.12.4",
            "v0.12.3",
            "v0.12.2",
            "v0.12.1",
            "v0.10.0",
            "v0.9.6",
            "v0.9.5",
            "v0.9.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15610.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:40.389175778Z",
      "provider": "osv",
      "references": [
        "https://nextcloud.com/security/advisory/?id=NC-SA-2019-013",
        "https://hackerone.com/reports/673724"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-15610",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434914,
  "published_at": "2020-02-04T20:15:11.65+00:00"
}