{"schema":"threatline.record/2","record":{"id":"CVE-2026-113599","aliases":[],"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.","categories":["Unclassified"],"product":"modoboa","vendor":"modoboa","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113599","source_modified_at":"2026-10-20T16:19:21.574Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"modoboa","vendor":"modoboa","versions":[{"version":"0","lessThan":"2.8.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113599","source_modified_at":"2026-10-20T16:19:21.574Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"modoboa","ecosystem":null},"version":"2.8.0","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0034,"percentile":0.26246,"score_date":"2026-10-23"},"published_at":"2026-10-20T15:40:27.636Z","modified_at":"2026-10-20T16:19:21.574Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-113599","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T16:19:21.574Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-113599","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/modoboa/modoboa/issues/3945","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/modoboa/modoboa/commit/e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38d","tags":["patch"]},{"source":"CVE List","url":"https://github.com/modoboa/modoboa/releases/tag/2.8.0","tags":["release-notes"]},{"source":"CVE List","url":"https://github.com/modoboa/modoboa/blob/2.7.2/modoboa/autoreply/api/v2/serializers.py","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/modoboa-before-2.8.0-idor-via-api-v2-armessages-auto-reply-creation","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T16:19:12.124795Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T16:19:21.574Z","content_hash":"8bf14b01a63b11de5fa95fd9738cf465cbfe78dff34e49b2fc206e00def3f64f"}}