Spring Security Advisories

RSS feed

Spring Cloud Config Monitor Denial of Service

MEDIUM | AUGUST 20, 2026 | CVE-2026-59315

Description

The Spring Cloud Config Monitor is susceptible to Denial of Service attacks via malicious payloads.

Affected Spring Products and Versions

Spring Cloud Config:

  • 5.0.0 - 5.0.4
  • 4.3.0 - 4.3.4
  • 4.0.0 - 4.2.8
  • 3.1.14 and earlier

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
5.0.5OSS
4.3.5Enterprise Support Only
4.2.9Enterprise Support Only
3.1.15Enterprise Support Only

No further mitigation steps are necessary.

Credit

The issue was identified and responsibly reported by Jihun Kim (@shblue21).

References

History

  • 2026-08-20: Initial vulnerability report published.

Reporting a vulnerability

To report a security vulnerability for a project within the Spring portfolio, see the Security Policy

Get ahead

VMware offers training and certification to turbo-charge your progress.

Learn more

Get support

Tanzu Spring offers support and binaries for OpenJDK™, Spring, and Apache Tomcat® in one simple subscription.

Learn more

Upcoming events

Check out all the upcoming events in the Spring community.

View all