CVE-2026-42000: medium-severity vulnerability in PowerDNS Authoritative
Insufficient Validation of Names During AXFR
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.8epss 0.2%
Insufficient Validation of Names During AXFR
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
Affected products
PowerDNS · AuthoritativeRelated CVEs — PowerDNS Authoritative
In the same product, most dangerous first.
CVE-2026-42005MEDIUMInsufficient input validation of internal web serverEPSS 0.6%CVE-2026-33260MEDIUMInsufficient input validation of internal webserverEPSS 0.5%CVE-2026-33257MEDIUMInsufficient input validation of internal webserverEPSS 0.5%CVE-2026-33611MEDIUMInsufficient validation of HTTPS and SVCB recordsEPSS 0.4%CVE-2026-33610MEDIUMPossible file descriptor exhaustion in forward-dnsupdateEPSS 0.4%CVE-2026-33608HIGHIncomplete domain name sanitization duringEPSS 0.4%