CVE-2026-42001
Analyzed Analyzed - Analysis Complete
Insufficient Validation of Autoprimary SOA Queries in Open-Xchange

Publication date: 2026-05-21

Last updated on: 2026-05-26

Assigner: Open-Xchange

Description
Insufficient Validation of Autoprimary SOA Queries
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-21
Last Modified
2026-05-26
Generated
2026-06-10
AI Q&A
2026-05-21
EPSS Evaluated
2026-06-09
NVD
CVE-2026-42001
EUVD
EUVD-2026-31259
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
powerdns authoritative From 5.0.0 (inc) to 5.0.5 (exc)
powerdns authoritative From 4.1.0 (inc) to 4.9.15 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability involves insufficient validation of autoprimary SOA (Start of Authority) queries. Essentially, the system does not properly verify certain DNS-related queries, which can lead to potential issues.

Impact Analysis

The vulnerability has a CVSS v3.1 base score of 7.5 with the vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating that it can be exploited remotely without privileges or user interaction and can cause a high impact on availability. This means an attacker could potentially disrupt service availability.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-42001. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart