{"id":"CVE-2026-113598","kind":"vulnerability","aliases":["CVE-2026-113598"],"related":[],"title":"Modoboa: authenticated users can delete other domains' alarms","description":"Modoboa before 2.8.0 contains an insecure direct object reference vulnerability that allows authenticated users to delete alarms of other domains via the POST /api/v2/alarms/bulk_delete/ action. Attackers can enumerate sequential alarm IDs to delete DNS, MX and blocklist monitoring alarms server-wide, hiding problems from responsible administrators.","summary":"Modoboa before 2.8.0 lets any authenticated user delete monitoring alarms belonging to other domains through the POST /api/v2/alarms/bulk_delete/ endpoint. An attacker can enumerate sequential alarm IDs to wipe DNS, MX and blocklist alarms server-wide, hiding problems from administrators.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mail-server","modoboa","package","python","self-hosted"],"not_affected_if":["modoboa-2.8.0-or-later","single-admin-instance"],"how_to_check":"- Check the installed Modoboa version (`pip show modoboa` or the deployed package) and see whether it is below `2.8.0`\n- Confirm whether untrusted or low-privilege user accounts exist on the instance","fix":"- Upgrade Modoboa to `2.8.0` or later\n- Review alarm history for deletions that were not made by administrators","status":"open","published_at":"2026-10-20T16:17:08+00:00","first_seen_at":"2026-10-23T21:57:20+00:00","triaged_at":"2026-10-25T04:24:41+00:00","updated_at":"2026-10-25T04:24:41+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T04:24:41Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Modoboa to `2.8.0` or later\n- Review alarm history for deletions that were not made by administrators","reach":"internet","title":"Modoboa: authenticated users can delete other domains' alarms","impact":"low","summary":"Modoboa before 2.8.0 lets any authenticated user delete monitoring alarms belonging to other domains through the POST /api/v2/alarms/bulk_delete/ endpoint. An attacker can enumerate sequential alarm IDs to wipe DNS, MX and blocklist alarms server-wide, hiding problems from administrators.","category":"package","nicknames":[],"who_cares":["modoboa","mail-server","self-hosted","python"],"confidence":0.7,"needs_auth":"yes","worst_case":"Authenticated users silently delete monitoring alarms of other domains","analyst_note":"","how_to_check":"- Check the installed Modoboa version (`pip show modoboa` or the deployed package) and see whether it is below `2.8.0`\n- Confirm whether untrusted or low-privilege user accounts exist on the instance","needs_analyst":false,"not_affected_if":["modoboa-2.8.0-or-later","single-admin-instance"],"who_is_affected":"Installations of Modoboa before 2.8.0 with more than one authenticated user, such as hosting providers or multi-domain mail servers where domain admins hold accounts. Single-admin installations have less exposure because the flaw requires an authenticated user who should not see other domains' alarms.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000616,"input_tokens":3347,"output_tokens":563,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113598':11A,14A '-2026':10A,13A '/api/v2/alarms/bulk_delete':41B,87C '2.8.0':26B,66C 'action':88C 'administr':63B,110C 'alarm':8A,33B,48B,56B,80C,93C,102C 'allow':75C 'attack':44B,89C 'authent':2A,29B,76C 'belong':34B 'blocklist':55B,100C 'contain':67C 'cve':9A,12A 'delet':5A,31B,79C,96C 'direct':70C 'dns':52B,97C 'domain':7A,37B,83C 'endpoint':42B 'enumer':46B,91C 'hide':60B,106C 'host':23B 'id':49B,94C 'insecur':69C 'let':27B 'mail':16B 'mail-serv':15B 'modoboa':1A,18B,24B,64C 'monitor':32B,101C 'mx':53B,98C 'object':71C 'packag':19B 'post':40B,86C 'problem':61B,107C 'python':20B 'refer':72C 'respons':109C 'self':22B 'self-host':21B 'sequenti':47B,92C 'server':17B,58B,104C 'server-wid':57B,103C 'user':3A,30B,77C 'via':84C 'vulner':73C 'wide':59B,105C 'wipe':51B","nicknames":[],"mitigations":[],"who_affected":"Installations of Modoboa before 2.8.0 with more than one authenticated user, such as hosting providers or multi-domain mail servers where domain admins hold accounts. Single-admin installations have less exposure because the flaw requires an authenticated user who should not see other domains' alarms.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T16:17:08+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113598","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113598","severity":null,"published_at":"2026-10-20T16:17:08+00:00","modified_at":"2026-10-21T16:17:23+00:00","first_seen_at":"2026-10-23T21:57:20+00:00","fetched_at":"2026-10-23T22:28:58+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}