Vmware Spring Micrometer up to 1.15.11/1.16.5 gRPC resource consumption

Summaryinfo

A vulnerability labeled as problematic has been found in Vmware Spring Micrometer up to 1.15.11/1.16.5. This issue affects some unknown processing of the component gRPC Handler. Such manipulation leads to resource consumption. This vulnerability is listed as CVE-2026-40983. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Vmware Spring Micrometer up to 1.15.11/1.16.5 and classified as problematic. Affected by this issue is an unknown part of the component gRPC Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

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.

The advisory is shared for download at spring.io. This vulnerability is handled as CVE-2026-40983 since 04/16/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/09/2026). The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 1.15.12 or 1.16.6 eliminates this vulnerability.

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Productinfo

Vendor

• Vmware

Name

• Spring Micrometer

Version

• 1.15.0
• 1.15.1
• 1.15.2
• 1.15.3
• 1.15.4
• 1.15.5
• 1.15.6
• 1.15.7
• 1.15.8
• 1.15.9
• 1.15.10
• 1.15.11
• 1.16.0
• 1.16.1
• 1.16.2
• 1.16.3
• 1.16.4
• 1.16.5

License

• commercial

Website

• Vendor: https://www.vmware.com/

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