High 7.4Published Apr 22, 2026

CVE-2026-33608Incomplete domain name sanitization during

Updated under an hour ago (Oct 26, 2026, 10:23 PM ET)

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It affects PowerDNS Authoritative. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it.

CVSS: 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: OX
NVD analysis: Analyzed
Record last updated: Apr 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

PowerDNS Authoritative powerdns:authoritative (from the name)	from 5.0.0 before 5.0.4; from 4.9.0 before 4.9.14	CNA record
powerdns authoritative powerdns:authoritative	from 4.9.0 before 4.9.14; from 5.0.0 before 5.0.4	NVD

References

References

https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html	broken-link, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.