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CVE-2026-42396

Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail

Published: May 21, 2026Updated: May 21, 2026 Sources: CVE List NVD
NVD MITRE
4.9CVSS
MEDIUM

Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High

Affected Products

Authoritative
PowerDNS

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html
docs.powerdns.com

Timeline

Published
May 21, 2026
Last Updated
May 21, 2026

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