{"id":"CVE-2026-59021","kind":"vulnerability","aliases":["CVE-2026-59021"],"related":[],"title":"Unnamed product: input validation flaw allows local denial of service","description":"In multiple locations, there is a possible denial of service due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.","summary":"Multiple code locations in an unnamed product do not validate input properly, so malformed input can crash or stall the software. The sources say an attacker needs local user-level execution and no user interaction is required.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["other"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T20:17:57+00:00","first_seen_at":"2026-11-02T20:35:37+00:00","triaged_at":"2026-11-02T20:36:54+00:00","updated_at":"2026-11-02T20:36:54+00:00","category":"other","confidence":0.3,"triage":{"at":"2026-11-02T20:36:54Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Unnamed product: input validation flaw allows local denial of service","impact":"low","summary":"Multiple code locations in an unnamed product do not validate input properly, so malformed input can crash or stall the software. The sources say an attacker needs local user-level execution and no user interaction is required.","audience":"developers","category":"other","nicknames":[],"who_cares":[],"confidence":0.3,"fix_status":"unknown","needs_auth":"yes","worst_case":"local process crashes or stops responding, causing denial of service","analyst_note":"Identify the affected product and versions from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-59021 and check the vendor advisory.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown. The sources do not name the affected product or versions, so a team cannot tell whether it runs the vulnerable code. The flaw requires local code execution as a user, so exposure is limited to machines where untrusted local code can run.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000613,"input_tokens":4061,"output_tokens":414,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-59021':13A,16A 'allow':6A 'attack':42B 'code':18B 'could':71C 'crash':33B 'cve':11A,14A 'denial':8A,62C,75C 'due':65C 'execut':48B,80C 'exploit':89C 'flaw':5A 'improp':67C 'input':3A,27B,31B,68C 'interact':52B,84C 'lead':72C 'level':47B 'local':7A,44B,74C 'locat':19B,57C 'malform':30B 'multipl':17B,56C 'need':43B,82C,87C 'possibl':61C 'privileg':81C 'product':2A,23B 'proper':28B 'requir':54B 'say':40B 'servic':10A,64C,77C 'softwar':37B 'sourc':39B 'stall':35B 'unnam':1A,22B 'user':46B,51B,79C,83C 'user-level':45B 'valid':4A,26B,69C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["other","unknown"],"first_public_at":"2026-11-02T20:17:57+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-59021","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59021","severity":null,"published_at":"2026-11-02T20:17:57+00:00","modified_at":"2026-11-02T20:17:57+00:00","first_seen_at":"2026-11-02T20:35:37+00:00","fetched_at":"2026-11-02T20:35:37+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"}