{"id":"CVE-2026-17068","kind":"vulnerability","aliases":["CVE-2026-17068"],"related":[],"title":"IBM i: local attacker bypasses NFS version restrictions on export flag","description":"IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to bypass NFS version restrictions due to improper enforcement of the export version flag.","summary":"IBM i 7.3 through 7.6 does not enforce the NFS export version flag, so a local user can get around the configured NFS version restriction. The sources do not say what data or actions this unlocks beyond bypassing the version limit.","severity":"medium","cvss":5.4,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"ibm i","fixed":[],"affected":"= 7.3","ecosystem":"vendor"},{"name":"ibm i","fixed":[],"affected":"= 7.4","ecosystem":"vendor"},{"name":"ibm i","fixed":[],"affected":"= 7.5","ecosystem":"vendor"},{"name":"ibm i","fixed":[],"affected":"= 7.6","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["ibm-i","infrastructure","nfs"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-16T19:17:06+00:00","first_seen_at":"2026-10-23T21:57:14+00:00","triaged_at":"2026-10-25T04:18:12+00:00","updated_at":"2026-10-25T04:18:12+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-25T04:18:12Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"IBM i: local attacker bypasses NFS version restrictions on export flag","impact":"low","summary":"IBM i 7.3 through 7.6 does not enforce the NFS export version flag, so a local user can get around the configured NFS version restriction. The sources do not say what data or actions this unlocks beyond bypassing the version limit.","category":"infrastructure","nicknames":[],"who_cares":["ibm-i","nfs"],"confidence":0.5,"needs_auth":"unknown","worst_case":"local attacker bypasses NFS version restriction on IBM i","analyst_note":"Find IBM's security bulletin for CVE-2026-17068 to get fixed versions, the exact NFS export flag, and who needs local access.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000512,"input_tokens":3376,"output_tokens":348,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-17068':14A,17A '-2026':13A,16A '7.3':33B,74C '7.4':75C '7.5':76C '7.6':35B,78C 'action':64B 'allow':80C 'around':50B 'attack':4A,83C 'beyond':67B 'bypass':5A,68B,85C 'configur':52B 'could':79C 'cve':12A,15A 'data':62B 'due':89C 'enforc':38B,92C 'export':10A,41B,95C 'flag':11A,43B,97C 'get':49B 'i':19A,21A,23A,25A 'ibm':1A,18A,20A,22A,24A,27B,31B,72C 'ibm-i':26B 'improp':91C 'infrastructur':29B 'limit':71B 'local':3A,46B,82C 'nfs':6A,30B,40B,53B,86C 'restrict':8A,55B,88C 'say':60B 'sourc':57B 'unlock':66B 'user':47B 'version':7A,42B,54B,70B,87C,96C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-16T19:17:06+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17068","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17068","severity":null,"published_at":"2026-10-16T19:17:06+00:00","modified_at":"2026-10-23T16:03:36+00:00","first_seen_at":"2026-10-23T21:57:14+00:00","fetched_at":"2026-10-23T22:28:55+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"}