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Review reviewHigh

CVE-2026-40984

Spring Micrometer, Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16, Red Hat Build of Apache Camel 4.18 for Quarkus 3.33

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.

CVSS
7.5
EPSS
0.64%
47.1% percentile
CISA KEV
Not listed
Published
2026.06.09
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.64%
Technical severityCVSS 7.5

Vulnerability overview

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.

Affected product and versions

Product
Spring Micrometer, Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16, Red Hat Build of Apache Camel 4.18 for Quarkus 3.33
Affected versions
>= 1.16.0 < 1.16.5.1, >= 1.15.0 < 1.15.11.1, >= 1.14.0 < 1.14.16, >= 1.13.0 < 1.13.19, >= 1.9.0 < 1.9.18, >= 1.16.0 < 1.16.6, >= 1.15.0 < 1.15.11., >= 1.14.0 < 1.14.15.1
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Spring Micrometer, Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16, Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-400, CWE-770