{"id":"CVE-2026-93010","state":"PUBLISHED","title":"Dnsmasq: dnsmasq: --leasequery without address argument applies no source address check","description":"A flaw was found in dnsmasq. When DHCP leasequery is enabled without listing allowed source addresses, the server does not check who sent the query. A host on the local network can request DHCP lease records and learn assigned addresses, MAC addresses, hostnames, and related lease metadata. 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Prefer --leasequery=<addr>[/prefix] so only designated relays may query.\n2. If leasequery is not needed, do not enable it. It is off by default.\n3. If unrestricted leasequery is required, use firewall rules to limit which hosts can send DHCP packets to dnsmasq."}],"timeline":[{"lang":"en","time":"2026-09-14T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-10-28T09:30:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Shubham Raj (Causal Security) for reporting this issue."}],"x_generator":{"engine":"cvelib 1.8.0"}}}}}