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

Vulnerability from cvelistv5 – Published: 2026-06-09 03:46 – Updated: 2026-09-11 12:08
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 · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 13:53 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version CPE status
Spring Micrometer Affected: 1.16.0 , < 1.16.5.1 (custom)
Affected: 1.15.0 , < 1.15.11.1 (custom)
guessed Create a notification for this product.
Red Hat Red Hat AMQ Broker 7.14.1     cpe:/a:redhat:amq_broker:7.14
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Red Hat Red Hat Build of Apache Camel 4.18 for Quarkus 3.33     cpe:/a:redhat:apache_camel_quarkus:3.33
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Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6.5-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
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Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6-11 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
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Red Hat Red Hat build of Keycloak 26.6.5     cpe:/a:redhat:build_keycloak:26.6::el9
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Red Hat Red Hat build of Keycloak 26.6.5 Unaffected: rhel9-operator , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
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Red Hat Red Hat build of Keycloak 26.6.5 Unaffected: openshift-rhel9 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
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Red Hat Red Hat Data Grid 8.6.2     cpe:/a:redhat:jboss_data_grid:8
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Red Hat Streams for Apache Kafka 3.2.1     cpe:/a:redhat:amq_streams:3.2::el9
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Red Hat Red Hat OpenShift Dev Spaces 3.30 Unaffected: 1787759145 , < * (rpm)
    cpe:/a:redhat:openshift_devspaces:3.30::el9
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Red Hat Red Hat OpenShift Dev Spaces 3.30 Unaffected: 1787759723 , < * (rpm)
    cpe:/a:redhat:openshift_devspaces:3.30::el9
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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 4 for Quarkus 3     cpe:/a:redhat:camel_quarkus: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 Apache Camel - HawtIO 4     cpe:/a:redhat:apache_camel_hawtio:4
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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 Debezium 3     cpe:/a:redhat:debezium: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 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 Red Hat OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
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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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Red Hat streams for Apache Kafka 2     cpe:/a:redhat:amq_streams:2
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}



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Taxonomy of the tags.





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.