CVE-2026-42396: medium-severity vulnerability in PowerDNS Authoritative
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
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 4.9epss 0.4%
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
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%