{"id":"CVE-2026-58963","kind":"vulnerability","aliases":["CVE-2026-58963"],"related":[],"title":"Unknown product: input validation flaw allows remote denial of service","description":"In multiple locations, there is a possible denial of service due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"Multiple locations in an unnamed product lack proper input validation, so malformed input can crash or stall it. An attacker can cause a remote denial of service without needing credentials or user action.","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":"2026-11-02T20:17:52+00:00","first_seen_at":"2026-11-02T20:35:34+00:00","triaged_at":"2026-11-02T20:38:31+00:00","updated_at":"2026-11-02T20:38:31+00:00","category":"other","confidence":0.3,"triage":{"at":"2026-11-02T20:38:31Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"Unknown product: input validation flaw allows remote denial of service","impact":"low","summary":"Multiple locations in an unnamed product lack proper input validation, so malformed input can crash or stall it. An attacker can cause a remote denial of service without needing credentials or user action.","audience":"businesses","category":"other","nicknames":[],"who_cares":[],"confidence":0.3,"fix_status":"unknown","needs_auth":"no","worst_case":"Remote attacker stops the service by sending crafted input.","analyst_note":"Advisory names no product, versions or affected code paths; check the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-58963 and the upstream vendor advisory for the affected product.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000586,"input_tokens":4064,"output_tokens":359,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-58963':13A,16A 'action':49B 'addit':75C 'allow':6A 'attack':36B 'caus':38B 'could':66C 'crash':31B 'credenti':46B 'cve':11A,14A 'denial':8A,41B,57C,70C 'due':60C 'execut':76C 'exploit':85C 'flaw':5A 'improp':62C 'input':3A,25B,29B,63C 'interact':80C 'lack':23B 'lead':67C 'locat':18B,52C 'malform':28B 'multipl':17B,51C 'need':45B,78C,83C 'possibl':56C 'privileg':77C 'product':2A,22B 'proper':24B 'remot':7A,40B,69C 'servic':10A,43B,59C,72C 'stall':33B 'unknown':1A 'unnam':21B 'user':48B,79C 'valid':4A,26B,64C 'without':44B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["other","unknown"],"first_public_at":"2026-11-02T20:17:52+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-58963","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58963","severity":null,"published_at":"2026-11-02T20:17:52+00:00","modified_at":"2026-11-02T20:17:52+00:00","first_seen_at":"2026-11-02T20:35:34+00:00","fetched_at":"2026-11-02T20:35:34+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"}