{"id":"CVE-2026-113599","summary":"Modoboa before 2.8.0 IDOR via API v2 armessages Auto-Reply Creation","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.","modified":"2026-10-21T02:55:53.166949349Z","published":"2026-10-20T15:40:27.636Z","database_specific":{"cwe_ids":["CWE-639"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113599.json","cna_assigner":"VulnCheck"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/modoboa/modoboa","events":[{"introduced":"0"},{"fixed":"0fea90b58c4ed94a28cb549ef3c7898af89d51aa"},{"fixed":"e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38d"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"0"},{"fixed":"2.8.0"}]},{"range":[{"fixed":"e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38d"}],"source":"REFERENCES_COMMIT"},{"range":[{"fixed":"0fea90b58c4ed94a28cb549ef3c7898af89d51aa"}],"source":"REFERENCES_TAG","original_tag":"2.8.0"}]}}],"versions":["2.7.2","2.7.1","2.7.0","2.6.5","2.6.4","2.6.3","2.6.2","2.6.1","2.6.0","2.5.1","2.5.0","2.4.11","2.4.10","2.4.9","2.4.8","2.4.7","2.4.6","2.4.5","2.4.4","2.4.3","2.4.2","2.4.1","2.4.0","2.3.4","2.3.3","2.3.2","2.3.1","2.3.0","2.3.0-beta.4","2.3.0-beta.3","2.3.0-beta.2","2.3.0-beta.1","2.2.4","2.2.3","2.2.2","2.2.1","2.2.0","2.1.2","2.1.1","2.1.0","2.0.5","2.0.4","2.0.3","2.0.2","2.0.1","2.0.0","2.0.0-beta.3","2.0.0-beta.2","2.0.0-beta.1","1.17.0","1.16.1","1.16.0","1.15.0","1.14.0","1.13.1","1.13.0","1.12.2","1.12.1","1.12.0","1.11.0","1.10.7","1.10.6","1.10.5","1.10.4","1.10.3","1.10.2","1.10.1","1.10.0","1.9.1","1.9.0","1.8.2","1.8.1","1.8.0","1.7.4","1.7.3","1.7.2","1.7.1","1.7.0","1.6.1","1.6.0","1.5.3","1.5.2","1.5.1","1.5.0","1.4.2","1.4.1","1.4.0","1.3.5","1.3.4","1.3.3","1.3.0","1.2.0","1.2.0-rc2","1.2.0-rc1","1.0.0","0.9.5","0.9.4","0.9.3","0.9.2","0.9.1","0.9","0.8.7","0.8.6.1","0.8.6","0.8.5","0.8.4","0.8.3","0.8.3-rc1","0.8.2","0.8.1","0.8","0.8-rc2","0.8-rc1","0.7.2","0.7.1","0.7","0.6.1","0.6","0.5","0.3","0.2","0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-113599.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","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"}]}