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CVE-2026-40011

LOW
3.7
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-40011
State
PUBLISHED
Assigner
OX
Reserved
2026-04-08 09:59 UTC
Published
2026-06-25 12:22 UTC
Last updated
2026-06-25 13:23 UTC
Primary CWE
CWE-116
CWE-116 Improper Encoding or Escaping of Output
Vendor / Product
PowerDNS / DNSdist
Sources
cve.org  ·  NVD

Severity & Metrics

3.7 LOW CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
PowerDNS DNSdist — 1.9.0 < 1.9.15, 2.0.0 < 2.0.7
Weakness (CWE)
CWESourceDescription
— cna Improper Encoding or Escaping of Output
CWE-116 adp CWE-116 Improper Encoding or Escaping of Output
CVSS scores (1)
ScoreSeverityVersionSourceVector
3.7 LOW 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
References (1)
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