{"id":"CVE-2026-24029","summary":"DNS over HTTPS ACL bypass","details":"When the early_acl_drop (earlyACLDrop in Lua) option is disabled (default is enabled) on a DNS over HTTPs frontend using the nghttp2 provider, the ACL check is skipped, allowing all clients to send DoH queries regardless of the configured ACL.","modified":"2026-05-18T05:59:46.077822499Z","published":"2026-03-31T11:59:12.903Z","related":["SUSE-SU-2026:1618-1"],"database_specific":{"cna_assigner":"OX","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24029.json"},"references":[{"type":"WEB","url":"https://repo.powerdns.com/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24029.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24029"},{"type":"ADVISORY","url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"},{"type":"PACKAGE","url":"https://github.com/PowerDNS/pdns"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powerdns/pdns","events":[{"introduced":"89747e81bc60d7950276d5fda3ca669fa81b7cf9"},{"fixed":"4108ae9f5f169166dba3e7f386be570304dfa224"}]}],"versions":["dnsdist-2.0.2","dnsdist-2.0.1","dnsdist-2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-24029.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}