{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:nadh:listmonk:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.1.0"
              },
              {
                "fixed": "6.1.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0a27de16c6e23b7d4b84d4d91fe59bea10877ad1"
            },
            {
              "fixed": "1b5e8d38c778e869003486d3c38bc7a964661e91"
            },
            {
              "fixed": "347f5976759232c36e571cf58b4bfe33c2794f35"
            }
          ],
          "repo": "https://github.com/knadh/listmonk",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-85j8-5c6w-gcpv"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34584.json"
  },
  "details": "listmonk is a standalone, self-hosted, newsletter and mailing list manager. From version 4.1.0 to before version 6.1.0, bugs in list permission checks allows users in a multi-user environment to access to lists (which they don't have access to) under different scenarios. This only affects multi-user environments with untrusted users. This issue has been patched in version 6.1.0.",
  "id": "CVE-2026-34584",
  "modified": "2026-07-15T01:49:21.835483354Z",
  "published": "2026-04-02T17:31:37.615Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/knadh/listmonk/releases/tag/v6.1.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34584.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34584"
    },
    {
      "type": "FIX",
      "url": "https://github.com/knadh/listmonk/commit/347f5976759232c36e571cf58b4bfe33c2794f35"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "listmonk: Broken Access Control in CSV Import (Unauthorized List Assignment)"
}