CVE-2026-40983 (GCVE-0-2026-40983)

Vulnerability from cvelistv5 – Published: 2026-06-09 03:46 – Updated: 2026-07-06 12:05
VLAI
Title
Micrometer gRPC server instrumentation DoS vulnerability
Summary
In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition. Affected versions: Micrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
Spring Micrometer Affected: 1.16.0 , < 1.16.5.1 (custom)
Affected: 1.15.0 , < 1.15.11.1 (custom)
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Red Hat Red Hat AMQ Broker 7     cpe:/a:redhat:amq_broker:7
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Red Hat Red Hat AMQ Clients     cpe:/a:redhat:amq_clients:2023
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Red Hat Red Hat build of Apache Camel - HawtIO 4     cpe:/a:redhat:apache_camel_hawtio:4
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Red Hat Red Hat build of Apache Camel 4 for Quarkus 3     cpe:/a:redhat:camel_quarkus:3
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Red Hat Red Hat build of Apicurio Registry 3     cpe:/a:redhat:apicurio_registry:3
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Red Hat Red Hat Build of Keycloak     cpe:/a:redhat:build_keycloak:
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Red Hat Red Hat build of Quarkus     cpe:/a:redhat:quarkus:3
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Red Hat Red Hat Data Grid 8     cpe:/a:redhat:jboss_data_grid:8
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Red Hat Red Hat Fuse 7     cpe:/a:redhat:jboss_fuse:7
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Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack     cpe:/a:redhat:jbosseapxp
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Red Hat streams for Apache Kafka 3     cpe:/a:redhat:amq_streams:3
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Red Hat Red Hat build of Apache Camel for Spring Boot 4     cpe:/a:redhat:camel_spring_boot:4
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Red Hat Red Hat build of Debezium 3     cpe:/a:redhat:debezium:3
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Red Hat Red Hat OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
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Red Hat streams for Apache Kafka 2     cpe:/a:redhat:amq_streams:2
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Red Hat Red Hat OpenShift Dev Spaces     cpe:/a:redhat:openshift_devspaces:3
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Red Hat Red Hat Satellite 6     cpe:/a:redhat:satellite:6
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.