CVE-2026-33611
Insufficient validation of HTTPS and SVCB records
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
An operator allowed to use the REST API can cause the Authoritative server to produce invalid HTTPS or SVCB record data, which can in turn cause LMDB database corruption, if using the LMDB backend.
| Vendor | powerdns |
| Product | authoritative |
| Published | Apr 22, 2026 |
| Last Updated | Apr 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
PowerDNS / Authoritative
5.0.0 < 5.0.4 4.9.0 < 4.9.14
References
Credits
Tibs