CVE-2026-40984 | BDVDB-2026-338921 Detail
SpringMicrometer
Description#
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.
Impact#
An unauthenticated remote attacker can cause denial of service by sending specially crafted HTTP requests that trigger excessive resource consumption in applications using Micrometer HTTP server instrumentations.
Weaknesses#
References#
- https://spring.io/security/cve-2026-40984
- https://access.redhat.com/security/cve/CVE-2026-40984
- https://bugzilla.redhat.com/show_bug.cgi?id=2486716
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40984.json
- https://access.redhat.com/errata/RHSA-2026:50849
- https://access.redhat.com/errata/RHSA-2026:66545
- https://access.redhat.com/errata/RHSA-2026:66488
- https://access.redhat.com/errata/RHSA-2026:36839
- https://access.redhat.com/errata/RHSA-2026:41951
- https://access.redhat.com/errata/RHSA-2026:62260
- https://access.redhat.com/errata/RHSA-2026:37390
- https://access.redhat.com/errata/RHSA-2026:50848
- https://access.redhat.com/errata/RHSA-2026:54435
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.