CVE-2026-52690

Spoofed answers can mark an authoritative non-EDNS capable

State
Published
Severity
5.9 Medium
Published
Jun 25, 2026
Updated
Jun 25, 2026
Reserved
Jun 8, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HOX

Weaknesses

  • CWE-290 Authentication Bypass by Spoofing

Affected Products

ProductVersions
RecursorPowerDNS
  • 5.2.0 to before 5.2.11Affected
  • 5.3.0 to before 5.3.8Affected
  • 5.4.0 to before 5.4.3Affected

References

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