CVE-2026-40983: Micrometer gRPC server instrumentation DoS
(updated )
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.
References
- access.redhat.com/errata/RHSA-2026:36839
- access.redhat.com/errata/RHSA-2026:41951
- access.redhat.com/errata/RHSA-2026:50848
- access.redhat.com/errata/RHSA-2026:50849
- access.redhat.com/errata/RHSA-2026:54435
- access.redhat.com/errata/RHSA-2026:62260
- access.redhat.com/errata/RHSA-2026:66488
- access.redhat.com/security/cve/CVE-2026-40983
- bugzilla.redhat.com/show_bug.cgi?id=2486697
- github.com/advisories/GHSA-w737-wx49-qj23
- nvd.nist.gov/vuln/detail/CVE-2026-40983
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40983.json
- spring.io/security/cve-2026-40983
Code Behaviors & Features
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