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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-40984

33
FAUCET Score

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.

First published: Jun 9, 2026Last modified: Jun 23, 2026

Impacted Technologies

VendorProductVersion(s)CPE
SpringMicrometer
>= 1.13.0, < 1.13.19, >= 1.14.0, < 1.14.16, >= 1.15.0, < 1.15.11.1, >= 1.16.0, < 1.16.5.1, >= 1.9.0, < 1.9.18CNA affecteddefault unaffected
SpringMicrometer
>= 1.13.0, < 1.13.19, >= 1.14.0, < 1.14.16, >= 1.15.0, < 1.15.11.1, >= 1.16.0, < 1.16.5.1CNA affecteddefault unaffected
SpringMicrometer
>= 1.13.0, < 1.13.19, >= 1.14.0, < 1.14.15.1, >= 1.15.0, < 1.15.11., >= 1.16.0, < 1.16.6CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
46.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 23rd percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

access.redhat.com / errata/RHSA-2026:36839
access.redhat.com / errata/RHSA-2026:37390
access.redhat.com / errata/RHSA-2026:41951
access.redhat.com / security/cve/CVE-2026-40984
bugzilla.redhat.com / show_bug.cgi
security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-40984.json
spring.io / security/cve-2026-40984