Vulnerability Details CVE-2026-24029
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.1%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-24029
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cpe:2.3:a:powerdns:dnsdist:1.9.0
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cpe:2.3:a:powerdns:dnsdist:1.9.1
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cpe:2.3:a:powerdns:dnsdist:1.9.10
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cpe:2.3:a:powerdns:dnsdist:1.9.11
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cpe:2.3:a:powerdns:dnsdist:1.9.2
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cpe:2.3:a:powerdns:dnsdist:1.9.3
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cpe:2.3:a:powerdns:dnsdist:1.9.4
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cpe:2.3:a:powerdns:dnsdist:1.9.5
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cpe:2.3:a:powerdns:dnsdist:1.9.6
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cpe:2.3:a:powerdns:dnsdist:1.9.7
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cpe:2.3:a:powerdns:dnsdist:1.9.8
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cpe:2.3:a:powerdns:dnsdist:1.9.9
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cpe:2.3:a:powerdns:dnsdist:2.0.0
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cpe:2.3:a:powerdns:dnsdist:2.0.1
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cpe:2.3:a:powerdns:dnsdist:2.0.2