{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "2.8.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "fixed": "e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38d"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "original_tag": "2.8.0",
                "range": [
                  {
                    "fixed": "0fea90b58c4ed94a28cb549ef3c7898af89d51aa"
                  }
                ],
                "source": "REFERENCES_TAG"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0fea90b58c4ed94a28cb549ef3c7898af89d51aa"
            },
            {
              "fixed": "e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38d"
            }
          ],
          "repo": "https://github.com/modoboa/modoboa",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113599.json"
  },
  "details": "Modoboa before 2.8.0 contains an insecure direct object reference vulnerability that allows authenticated users to create auto-reply messages for arbitrary mailboxes by supplying another user's mbox value. Attackers can POST to /api/v2/armessages/ to inject attacker-controlled auto-reply subject and content into victims' settings or break their auto-reply management via MultipleObjectsReturned errors.",
  "id": "CVE-2026-113599",
  "modified": "2026-10-21T02:31:02.462440929Z",
  "published": "2026-10-20T15:40:27.636Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113599.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/modoboa/modoboa"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/modoboa/modoboa/blob/2.7.2/modoboa/autoreply/api/v2/serializers.py"
    },
    {
      "type": "FIX",
      "url": "https://github.com/modoboa/modoboa/commit/e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38d"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/modoboa/modoboa/issues/3945"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/modoboa/modoboa/releases/tag/2.8.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113599"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/modoboa-before-2.8.0-idor-via-api-v2-armessages-auto-reply-creation"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Modoboa before 2.8.0 IDOR via API v2 armessages Auto-Reply Creation"
}