CVE-2026-33608

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 v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html	Broken Link Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:powerdns:authoritative::::::::
	cpe:2.3:a:powerdns:authoritative::::::::

History

No history.

Information

Published : 2026-04-22 14:16

Updated : 2026-06-17 10:37

NVD link : CVE-2026-33608

Mitre link : CVE-2026-33608

CVE.ORG link : CVE-2026-33608

JSON object : View

Products Affected

powerdns

authoritative

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2026-33608", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33608", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-22T14:28:03.004705Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@open-xchange.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 2.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@open-xchange.com", "affectedData": [{"repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "modules": ["Bind backend"], "product": "Authoritative", "versions": [{"status": "affected", "version": "5.0.0", "lessThan": "5.0.4", "versionType": "semver"}, {"status": "affected", "version": "4.9.0", "lessThan": "4.9.14", "versionType": "semver"}], "packageName": "pdns", "programFiles": ["bindbackend2.cc"], "collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected"}]}], "published": "2026-04-22T14:16:54.650", "references": [{"url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html", "tags": ["Broken Link", "Vendor Advisory"], "source": "security@open-xchange.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-17T10:37:46.657", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "08464BC2-733F-4260-878D-DE05919A7A7D", "versionEndExcluding": "4.9.14", "versionStartIncluding": "4.9.0"}, {"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A26C526E-15DC-41BE-9B66-FC6A63679562", "versionEndExcluding": "5.0.4", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@open-xchange.com"}