CVE-2026-33608

criticalpriority · track · 39EPSS 0.004 · 32 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (32nd) EPSS

CVSS 9.8 · critical

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.4–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Hsecondary · ENISA EU

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Hsecondary · security@open-xchange.comexploitability 2.2 · impact 5.2

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94US

affected products (11)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Open Source PowerDNS <4.9.14all versionscert_bundDE
Open Source PowerDNS <5.0.4all versionscert_bundDE
cPanel cPanel/WHM <137.9999.104all versionscert_bundDE
Open Source PowerDNS< 4.9.14cert_bundDE
Open Source PowerDNS< 5.0.4cert_bundDE
cPanel cPanel/WHM< 137.9999.104cert_bundDE
PowerDNS Authoritative4.9.0 → 4.9.14enisa_euvdEU
PowerDNS Authoritative5.0.0 → 5.0.4enisa_euvdEU
powerdns authoritative4.9.0 → 4.9.14nvdUScpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
powerdns authoritative5.0.0 → 5.0.4nvdUScpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1236PowerDNS: Mehrere SchwachstellenDeutsch2026-04-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in PowerDNS ausnutzen, um einen Denial of Service Angriff durchzuführen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-04-22modified 2026-10-26

references (4)

External citations — patches, advisories, analysis.

scry

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