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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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:896b622e13c7f1c20420d1e8f58043b0cc9e65cfd188fe18d8f998d81db81ab7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7e72e7dc434485b556c0c8ece605ef33c00907f373c2af7fa55e58b33f55c082 · sha256:822608ff6bacdfa6… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7e72e7dc434485b556c0c8ece605ef33c00907f373c2af7fa55e58b33f55c082 · sha256:822608ff6bacdfa6… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["Incoming DNS over HTTPS"],"packageName":"dnsdist","product":"DNSdist","programFiles":["dnsdist-nghttp2-in.cc"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"1.9.12","status":"affected","version":"1.9.0","versionType":"semver"},{"lessThan":"2.0.3","status":"affected","version":"2.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7e72e7dc434485b556c0c8ece605ef33c00907f373c2af7fa55e58b33f55c082 · sha256:822608ff6bacdfa6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7e72e7dc434485b556c0c8ece605ef33c00907f373c2af7fa55e58b33f55c082 · sha256:822608ff6bacdfa6… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7e72e7dc434485b556c0c8ece605ef33c00907f373c2af7fa55e58b33f55c082 · sha256:822608ff6bacdfa6… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7e72e7dc434485b556c0c8ece605ef33c00907f373c2af7fa55e58b33f55c082 · sha256:822608ff6bacdfa6… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7e72e7dc434485b556c0c8ece605ef33c00907f373c2af7fa55e58b33f55c082 · sha256:822608ff6bacdfa6… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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