Vulnerability in Powerdns Dnsdist
CVE-2026-40011
An attacker sending a large number of crafted DNS queries might be able to trigger a dynamic block being inserted with a value causing invalid output to be produced in the prometheus endpoint. The prometheus endpoint will then be rejected…
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Powerdns Dnsdist — versions 1.9.0, 2.0.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-40011?
- CVE-2026-40011 is a low-severity vulnerability in Powerdns Dnsdist, classified under Improper Encoding or Escaping of Output. CVSS score: 3.7/10. Published 2026-06-25.
- How severe is CVE-2026-40011?
- Low severity. CVSS v3 base score is 3.7 out of 10.