CVE-2026-40984 (GCVE-0-2026-40984)
Vulnerability from cvelistv5 – Published: 2026-06-09 03:47 – Updated: 2026-08-13 12:04
VLAI
EPSS
VEX
Title
Micrometer HTTP server instrumentations DoS vulnerability
Summary
In Micrometer, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.
Affected versions:
micrometer-core 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18; 1.9.0 through 1.9.17.
micrometer-jetty11 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.
micrometer-jetty12 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 13:49 UTC
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://spring.io/security/cve-2026-40984 | |
| https://access.redhat.com/security/cve/CVE-2026-40984 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2486716 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:50849 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:36839 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:41951 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:37390 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:50848 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:54435 | vendor-advisoryx_refsource_REDHAT |
Impacted products
26 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) Affected: 1.14.0 , < 1.14.16 (custom) Affected: 1.13.0 , < 1.13.19 (custom) Affected: 1.9.0 , < 1.9.18 (custom) |
guessed | |
| Spring | Micrometer |
Affected:
1.16.0 , < 1.16.5.1
(custom)
Affected: 1.15.0 , < 1.15.11.1 (custom) Affected: 1.14.0 , < 1.14.16 (custom) Affected: 1.13.0 , < 1.13.19 (custom) |
guessed | |
| Spring | Micrometer |
Affected:
1.16.0 , < 1.16.6
(custom)
Affected: 1.15.0 , < 1.15.11. (custom) Affected: 1.14.0 , < 1.14.15.1 (custom) Affected: 1.13.0 , < 1.13.19 (custom) |
guessed | |
| Red Hat | Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16 |
cpe:/a:redhat:apache_camel_spring_boot:4.18
|
||
| Red Hat | Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 |
cpe:/a:redhat:apache_camel_quarkus:3.33
|
||
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6.5-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
||
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6-11 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
||
| Red Hat | Red Hat build of Keycloak 26.6.5 |
cpe:/a:redhat:build_keycloak:26.6::el9
|
||
| Red Hat | Red Hat build of Keycloak 26.6.5 |
Unaffected:
rhel9-operator , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
||
| Red Hat | Red Hat build of Keycloak 26.6.5 |
Unaffected:
openshift-rhel9 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
||
| Red Hat | Red Hat Data Grid 8.6.2 |
cpe:/a:redhat:jboss_data_grid:8
|
||
| Red Hat | Red Hat AMQ Broker 7 |
cpe:/a:redhat:amq_broker:7
|
||
| Red Hat | Red Hat AMQ Clients |
cpe:/a:redhat:amq_clients:2023
|
||
| Red Hat | Red Hat build of Apache Camel 4 for Quarkus 3 |
cpe:/a:redhat:camel_quarkus:3
|
||
| Red Hat | Red Hat build of Apache Camel - HawtIO 4 |
cpe:/a:redhat:apache_camel_hawtio:4
|
||
| Red Hat | Red Hat build of Apicurio Registry 3 |
cpe:/a:redhat:apicurio_registry:3
|
||
| Red Hat | Red Hat build of Debezium 3 |
cpe:/a:redhat:debezium:3
|
||
| Red Hat | Red Hat build of OptaPlanner 8 |
cpe:/a:redhat:optaplanner:::el6
|
||
| Red Hat | Red Hat build of Quarkus |
cpe:/a:redhat:quarkus:3
|
||
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
||
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp
|
||
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
||
| Red Hat | Red Hat OpenShift Dev Spaces |
cpe:/a:redhat:openshift_devspaces:3
|
||
| Red Hat | Red Hat Process Automation 7 |
cpe:/a:redhat:jboss_enterprise_bpms_platform:7
|
||
| Red Hat | streams for Apache Kafka 2 |
cpe:/a:redhat:amq_streams:2
|
||
| Red Hat | streams for Apache Kafka 3 |
cpe:/a:redhat:amq_streams:3
|
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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