{"id":"GHSA-59qp-cfj3-rp64","aliases":["GO-2026-5934"],"status":"published","title":"netfoil has a domain name filter bypass via multiple questions","description":"### Summary\nPotential bypass of domain name filter by crafting a DNS request with multiple questions, with the first question being legitimate.\n\n### Impact\nDepends on a local attackers ability to craft multiple questions and the remote DoH server supporting them.","severity":{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-436","CWE-693"],"published":"2026-07-07T20:03:49Z","modified":"2026-07-21T19:19:26Z","fixes":[{"ecosystem":"Go","package":"github.com/tinfoil-factory/netfoil","fixed_in":["0.3.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/tinfoil-factory/netfoil","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/tinfoil-factory/netfoil","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.3.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/tinfoil-factory/netfoil","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.3.0"}]}]}],"references":[{"url":"https://github.com/tinfoil-factory/netfoil/security/advisories/GHSA-59qp-cfj3-rp64","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-59qp-cfj3-rp64"},{"url":"https://github.com/tinfoil-factory/netfoil","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-59qp-cfj3-rp64","title":"netfoil has a domain name filter bypass via multiple questions","description":"### Summary\nPotential bypass of domain name filter by crafting a DNS request with multiple questions, with the first question being legitimate.\n\n### Impact\nDepends on a local attackers ability to craft multiple questions and the remote DoH server supporting them.","status":"published","published":"2026-07-07T20:03:49Z","modified":"2026-07-07T20:03:50Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-436","CWE-693"],"updated_at":"2026-11-02T14:40:40.389795Z"}],"osv":[{"id":"GHSA-59qp-cfj3-rp64","title":"netfoil has a domain name filter bypass via multiple questions","description":"### Summary\nPotential bypass of domain name filter by crafting a DNS request with multiple questions, with the first question being legitimate.\n\n### Impact\nDepends on a local attackers ability to craft multiple questions and the remote DoH server supporting them.","status":"published","published":"2026-07-07T20:03:49Z","modified":"2026-07-21T19:19:26.576260989Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-436","CWE-693"],"updated_at":"2026-11-02T15:46:38.213481Z"},{"id":"GO-2026-5934","title":"netfoil has a domain name filter bypass via multiple questions in github.com/tinfoil-factory/netfoil","description":"netfoil has a domain name filter bypass via multiple questions in github.com/tinfoil-factory/netfoil","status":"published","published":"2026-07-17T19:42:05Z","modified":"2026-07-21T19:15:26.384923403Z","updated_at":"2026-11-02T15:47:02.838915Z"}]}}