{"id":"CVE-2026-104720","kind":"vulnerability","aliases":["CVE-2026-104720"],"related":[],"title":"Kobikom: path traversal flaw in KobiPBX before r1 update","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Kobikom Telecommunications and Informatics Services Inc. Kobikom allows Path Traversal.\n\nThis issue affects Kobikom: before KobiPBX-FOP3-SEC-r1.","summary":"Kobikom's KobiPBX phone system contains a path traversal flaw, letting a request reach files outside the directory it should be limited to. Versions before KobiPBX-FOP3-SEC-r1 are affected, and an attacker could read files on the system.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","kobikom","kobipbx","self-hosted","telephony"],"not_affected_if":["already-on-kobipbx-fop3-sec-r1"],"how_to_check":"- Check whether the KobiPBX installation is older than `KobiPBX-FOP3-SEC-r1`","fix":"- KobiPBX: move to `KobiPBX-FOP3-SEC-r1` or later","status":"open","published_at":"2026-11-05T14:16:59+00:00","first_seen_at":"2026-11-05T14:39:16+00:00","triaged_at":"2026-11-05T14:40:26+00:00","updated_at":"2026-11-05T14:40:26+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-05T14:40:26Z","model":"claude-haiku-5-5","output":{"fix":"- KobiPBX: move to `KobiPBX-FOP3-SEC-r1` or later","reach":"unknown","title":"Kobikom: path traversal flaw in KobiPBX before r1 update","impact":"medium","summary":"Kobikom's KobiPBX phone system contains a path traversal flaw, letting a request reach files outside the directory it should be limited to. Versions before KobiPBX-FOP3-SEC-r1 are affected, and an attacker could read files on the system.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["kobipbx","kobikom","telephony","self-hosted"],"confidence":0.5,"fix_status":"available","needs_auth":"unknown","worst_case":"attacker reads files outside the intended directory on the server","analyst_note":"Confirm which endpoint is traversable, whether authentication is required, and the vendor advisory for KobiPBX-FOP3-SEC-r1 (not in the sources).","how_to_check":"- Check whether the KobiPBX installation is older than `KobiPBX-FOP3-SEC-r1`\n- unknown for other checks; the sources do not say","plain_action":"","needs_analyst":true,"not_affected_if":["already-on-kobipbx-fop3-sec-r1"],"who_is_affected":"Organizations running Kobikom's KobiPBX telephony platform before the KobiPBX-FOP3-SEC-r1 release. The sources do not say which endpoints or configurations are exposed, so unknown whether internet-facing installs are the main risk.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000714,"input_tokens":4235,"output_tokens":581,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-104720':12A,15A '-2026':11A,14A 'affect':54B,89C 'allow':84C 'attack':57B 'contain':28B 'could':58B 'cve':10A,13A 'directori':40B,72C 'file':37B,60B 'flaw':4A,32B 'fop3':50B,94C 'host':21B 'improp':64C 'inc':82C 'informat':80C 'infrastructur':16B 'issu':88C 'kobikom':1A,17B,23B,77C,83C,90C 'kobipbx':6A,18B,25B,49B,93C 'kobipbx-fop3-sec-r1':48B,92C 'let':33B 'limit':44B,65C 'outsid':38B 'path':2A,30B,73C,85C 'pathnam':68C 'phone':26B 'r1':8A,52B,96C 'reach':36B 'read':59B 'request':35B 'restrict':71C 'sec':51B,95C 'self':20B 'self-host':19B 'servic':81C 'system':27B,63B 'telecommun':78C 'telephoni':22B 'travers':3A,31B,74C,86C 'updat':9A 'version':46B 'vulner':75C","nicknames":[],"mitigations":[],"who_affected":"Organizations running Kobikom's KobiPBX telephony platform before the KobiPBX-FOP3-SEC-r1 release. The sources do not say which endpoints or configurations are exposed, so unknown whether internet-facing installs are the main risk.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","kobikom","kobipbx","selfhosted","telephony"],"campaign_type":null,"first_public_at":"2026-11-05T14:16:59+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_by":"iletisim@usom.gov.tr","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-104720","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104720","severity":null,"published_at":"2026-11-05T14:16:59+00:00","modified_at":"2026-11-05T14:16:59+00:00","first_seen_at":"2026-11-05T14:39:16+00:00","fetched_at":"2026-11-05T14:39:16+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}