CVE-2026-40984
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk43th percentile - higher than 43% of all known CVEs
Summary
In Micrometer, a user can send specially crafted HTTP requests that may cause a denial-of-service (DoS) condition. The vulnerability affects multiple versions of micrometer-core, micrometer-jetty11, and micrometer-jetty12.
Risk Assessment
An attacker can remotely disrupt the operation of an application using a vulnerable version of Micrometer, leading to service unavailability for users.
Recommendation
Immediately update the Micrometer library to a patched version (e.g., 1.16.6 or later) and check for available fixes for the Jetty components in use.
Original NVD description (English source)
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.