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CVE-2026-52690

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:95def102d1fa8f20451f711c4796ebd28cbbfac8eff5e9612cd287b5bd7f63f4
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":"Authentication Bypass by Spoofing","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdf3529dd14b83b117904121be9384308e5c43a01919eed41b44fea0b2598baf · sha256:ec85774082a89594… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdf3529dd14b83b117904121be9384308e5c43a01919eed41b44fea0b2598baf · sha256:ec85774082a89594… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["Outgoing EDNS handling"],"packageName":"pdns-recursor","product":"Recursor","programFiles":["syncres.cc"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"5.2.11","status":"affected","version":"5.2.0","versionType":"semver"},{"lessThan":"5.3.8","status":"affected","version":"5.3.0","versionType":"semver"},{"lessThan":"5.4.3","status":"affected","version":"5.4.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bdf3529dd14b83b117904121be9384308e5c43a01919eed41b44fea0b2598baf · sha256:ec85774082a89594… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bdf3529dd14b83b117904121be9384308e5c43a01919eed41b44fea0b2598baf · sha256:ec85774082a89594… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdf3529dd14b83b117904121be9384308e5c43a01919eed41b44fea0b2598baf · sha256:ec85774082a89594… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdf3529dd14b83b117904121be9384308e5c43a01919eed41b44fea0b2598baf · sha256:ec85774082a89594… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bdf3529dd14b83b117904121be9384308e5c43a01919eed41b44fea0b2598baf · sha256:ec85774082a89594… · /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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