CVE-2026-42000
HIGHCVSS 8.6/10EPSS 0.24%
Last modified
CVE-2026-42000 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. Insufficient Validation of Names During AXFR. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
Insufficient Validation of Names During AXFR
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Authoritative | < 4.9.15 |
| Powerdns | Authoritative | >= 5.0.0, < 5.0.5 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-42000?
Insufficient Validation of Names During AXFR
How severe is CVE-2026-42000?
CVE-2026-42000 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-42000?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-41990Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes…4
- CVE-2026-41991GNU gzip contains a vulnerability in the gzexe utility relat…4.7
- CVE-2026-41992GNU gzip contains a global buffer overflow vulnerability in …7.5
- CVE-2026-41993Improper Access Control vulnerability in the Removable Media…6.7
- CVE-2026-41999Incorrect Behaviour of Views with TCP PROXY Requests4.8
- CVE-2026-4200A security flaw has been discovered in glowxq glowxq-oj up t…7.3
- CVE-2026-42001Insufficient Validation of Autoprimary SOA Queries7.5
- CVE-2026-42002Concurrency and locking defects in GSS-TSIG7.5
- CVE-2026-42004An attacker can send a crafted EDNS OPT record that will be …3.7
- CVE-2026-42005An attacker can send a web request that causes unlimited mem…4.3
- CVE-2026-42006An attacker can cause uncontrolled memory usage with excessi…4.3
- CVE-2026-42009A flaw was found in gnutls. A remote attacker could exploit …7.5
Are you affected by CVE-2026-42000?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST