{"id":"CVE-2026-108838","kind":"vulnerability","aliases":["CVE-2026-108838"],"related":[],"title":"IBM Db2 Genius Hub: local user can cause denial of service","description":"IBM Db2 Genius Hub 1.1.2, 1.1.3, 1.1.4, 1.1.5 could allow a local attacker to cause a denial of service due to uncontrolled resource consumption.","summary":"IBM Db2 Genius Hub versions 1.1.2 through 1.1.5 can be made to consume resources without limit. A local attacker can use this to make the service unavailable.","severity":"low","cvss":3.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["db2","ibm-db2-genius-hub","other"],"not_affected_if":["local-access-restricted"],"how_to_check":"- Check the installed Db2 Genius Hub version against the affected range 1.1.2 to 1.1.5 in the IBM advisory.","fix":null,"status":"open","published_at":"2026-11-04T21:17:47+00:00","first_seen_at":"2026-11-04T21:49:17+00:00","triaged_at":"2026-11-04T21:52:35+00:00","updated_at":"2026-11-04T21:52:35+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-04T21:52:35Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"IBM Db2 Genius Hub: local user can cause denial of service","impact":"low","summary":"IBM Db2 Genius Hub versions 1.1.2 through 1.1.5 can be made to consume resources without limit. A local attacker can use this to make the service unavailable.","audience":"businesses","category":"other","nicknames":[],"who_cares":["ibm-db2-genius-hub","db2"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"Local attacker makes the service unavailable through resource exhaustion","analyst_note":"Check the IBM security bulletin for the fixed version and exposure details at https://nvd.nist.gov/vuln/detail/CVE-2026-108838.","how_to_check":"- Check the installed Db2 Genius Hub version against the affected range 1.1.2 to 1.1.5 in the IBM advisory.\n- unknown for other checks; the sources do not say.","plain_action":"","needs_analyst":true,"not_affected_if":["local-access-restricted"],"who_is_affected":"Teams running IBM Db2 Genius Hub versions 1.1.2, 1.1.3, 1.1.4 or 1.1.5 on a machine where untrusted local users have an account. The sources do not say which configurations are exposed. Systems without those versions, or without local untrusted users, can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000675,"input_tokens":4118,"output_tokens":527,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-108838':14A,17A '-2026':13A,16A '1.1.2':29B,55C '1.1.3':56C '1.1.4':57C '1.1.5':31B,58C 'allow':60C 'attack':42B,63C 'caus':8A,65C 'consum':36B 'consumpt':74C 'could':59C 'cve':12A,15A 'db2':2A,18B,21B,25B,52C 'denial':9A,67C 'due':70C 'genius':3A,22B,26B,53C 'hub':4A,23B,27B,54C 'ibm':1A,20B,24B,51C 'ibm-db2-genius-hub':19B 'limit':39B 'local':5A,41B,62C 'made':34B 'make':47B 'resourc':37B,73C 'servic':11A,49B,69C 'unavail':50B 'uncontrol':72C 'use':44B 'user':6A 'version':28B 'without':38B","nicknames":[],"mitigations":[],"who_affected":"Teams running IBM Db2 Genius Hub versions 1.1.2, 1.1.3, 1.1.4 or 1.1.5 on a machine where untrusted local users have an account. The sources do not say which configurations are exposed. Systems without those versions, or without local untrusted users, can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["db2","ibmdb2geniushub","low","other"],"campaign_type":null,"first_public_at":"2026-11-04T21:17:47+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-108838","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108838","severity":null,"published_at":"2026-11-04T21:17:47+00:00","modified_at":"2026-11-04T21:17:47+00:00","first_seen_at":"2026-11-04T21:49:17+00:00","fetched_at":"2026-11-04T21:49:17+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}