CVE-2026-33260 | PowerDNS Authoritative/DNSdist/Recursor denial of service

VDB-358840 · CVE-2026-33260 · GCVE-0-2026-33260 POWERDNS AUTHORITATIVE/DNSDIST/RECURSOR DENIAL OF SERVICE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.2 $0-$5k 1.00+ Summaryinfo A vulnerability was found in PowerDNS Authoritative, DNSdist and Recursor. It has been declared as problematic. This impacts an unknown function. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2026-33260. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component. Detailsinfo A vulnerability classified as problematic was found in PowerDNS Authoritative, DNSdist and Recursor (version now known). This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes: An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default. The weakness was published by Cavid. The advisory is shared for download at docs.powerdns.com. This vulnerability was named CVE-2026-33260 since 03/18/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499. Upgrading eliminates this vulnerability. Productinfo Type Domain Name Software Vendor PowerDNS Name Authoritative DNSdist Recursor License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.2 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.3 CNA Vector: 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Denial of service CWE: CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/18/2026 CVE reserved 04/22/2026 +34 days Advisory disclosed 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Advisory: docs.powerdns.com Researcher: Cavid Status: Confirmed CVE: CVE-2026-33260 (🔒) GCVE (CVE): GCVE-0-2026-33260 GCVE (VulDB): GCVE-100-358840 Entryinfo Created: 04/22/2026 13:29 Changes: 04/22/2026 13:29 (62) Complete: 🔍 Cache ID: 99:16D:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸