CVE-2026-40984

HIGH

Micrometer HTTP server instrumentations DoS vulnerability

Title source: cna

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.

References (1)

Core 1

Core References

https://spring.io/security/cve-2026-40984

Scores

CVSS v3 7.5

EPSS 0.0042

EPSS Percentile 33.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (5)

Spring/Micrometer 1.13.0 - 1.13.19

Spring/Micrometer 1.14.0 - 1.14.16

Spring/Micrometer 1.15.0 - 1.15.12

Spring/Micrometer 1.16.0 - 1.16.6

Spring/Micrometer 1.9.0 - 1.9.18

Published Jun 09, 2026

Tracked Since Jun 09, 2026