{"id":"CVE-2026-108780","kind":"vulnerability","aliases":["CVE-2026-108780"],"related":[],"title":"Apache Kylin: JDBC source configuration validation flaw, minor unless exposed publicly","description":"Potential JDBC source configuration validation vulnerability in Apache Kylin. The impact is minor, unless the kylin backend services are open to public network.\n\n\n\nThis issue affects Apache Kylin: from 4.0.0 through 5.0.4.\n\n\n\nUsers are recommended to upgrade to version 5.0.5, which fixes the issue.","summary":"Apache Kylin versions 4.0.0 through 5.0.4 have a flaw in validating JDBC source configuration. The advisory says the impact is minor unless the Kylin backend services are reachable from the public network.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apache-kylin","java","jdbc","package","self-hosted"],"not_affected_if":["internal-only-network","version-outside-4.0.0-to-5.0.4"],"how_to_check":"- Check the installed Kylin version in the deployment, e.g. the `kylin.version` value or the release directory name, and compare it against `4.0.0` through `5.0.4`\n- Check whether the Kylin backend services are reachable from the public internet (firewall rules, load balancer, ingress config)","fix":"- Upgrade Apache Kylin to `5.0.5`, which the advisory says fixes the issue\n- Until upgraded, keep Kylin backend services off the public network","status":"open","published_at":"2026-10-19T10:16:44+00:00","first_seen_at":"2026-10-23T21:57:17+00:00","triaged_at":"2026-10-25T05:12:37+00:00","updated_at":"2026-10-25T05:12:37+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-10-25T05:12:37Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Apache Kylin to `5.0.5`, which the advisory says fixes the issue\n- Until upgraded, keep Kylin backend services off the public network","reach":"unknown","title":"Apache Kylin: JDBC source configuration validation flaw, minor unless exposed publicly","impact":"low","summary":"Apache Kylin versions 4.0.0 through 5.0.4 have a flaw in validating JDBC source configuration. The advisory says the impact is minor unless the Kylin backend services are reachable from the public network.","category":"package","nicknames":[],"who_cares":["apache-kylin","self-hosted","java","jdbc"],"confidence":0.5,"needs_auth":"unknown","worst_case":"unknown; the advisory calls the impact minor","analyst_note":"Check the NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-108780) and the Apache Kylin advisory for the exact attack vector, required privileges and CVSS score.","how_to_check":"- Check the installed Kylin version in the deployment, e.g. the `kylin.version` value or the release directory name, and compare it against `4.0.0` through `5.0.4`\n- Check whether the Kylin backend services are reachable from the public internet (firewall rules, load balancer, ingress config)","needs_analyst":true,"not_affected_if":["version-outside-4.0.0-to-5.0.4","internal-only-network"],"who_is_affected":"Teams running Apache Kylin 4.0.0 through 5.0.4. The advisory says the impact is minor unless the backend services are open to the public network, so internal-only deployments carry less risk. Teams on 5.0.5 or later, or on versions outside the affected range, can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000653,"input_tokens":3306,"output_tokens":644,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-108780':14A,17A '-2026':13A,16A '4.0.0':30B,88C '5.0.4':32B,90C '5.0.5':98C 'advisori':42B 'affect':84C 'apach':1A,19B,27B,66C,85C 'apache-kylin':18B 'backend':51B,75C 'configur':5A,40B,62C 'cve':12A,15A 'expos':10A 'fix':100C 'flaw':7A,35B 'host':26B 'impact':45B,69C 'issu':83C,102C 'java':21B 'jdbc':3A,22B,38B,60C 'kylin':2A,20B,28B,50B,67C,74C,86C 'minor':8A,47B,71C 'network':58B,81C 'open':78C 'packag':23B 'potenti':59C 'public':11A,57B,80C 'reachabl':54B 'recommend':93C 'say':43B 'self':25B 'self-host':24B 'servic':52B,76C 'sourc':4A,39B,61C 'unless':9A,48B,72C 'upgrad':95C 'user':91C 'valid':6A,37B,63C 'version':29B,97C 'vulner':64C","nicknames":[],"mitigations":[],"who_affected":"Teams running Apache Kylin 4.0.0 through 5.0.4. The advisory says the impact is minor unless the backend services are open to the public network, so internal-only deployments carry less risk. Teams on 5.0.5 or later, or on versions outside the affected range, can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-19T10:16:44+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-108780","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108780","severity":null,"published_at":"2026-10-19T10:16:44+00:00","modified_at":"2026-10-19T20:46:17+00:00","first_seen_at":"2026-10-23T21:57:17+00:00","fetched_at":"2026-10-23T22:28:56+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"}