CVE-2026-40011 — Prometheus denial of service via crafted DNS queries
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 prome…
Published: 2026-06-25 · CVSS: 3.7 · CVSS 3.1
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 by the scraper until the dynamic block expires.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7