CVE-2026-59315: The Spring Cloud Config Monitor is susceptible to Denial of Service attacks via malicious payloads. Spring Clo

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-59315 is a medium-severity flaw (CVSS 5.3) affecting spring cloud config. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Spring Cloud Config Monitor is susceptible to Denial of Service attacks via malicious payloads. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring Cloud Config 3.1.14 and earlier

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-400
Published	2026-08-27
Last modified	2026-08-31

Publisher (CNA): VMware · Vendor: vmware

Last updated 2026-08-31 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-27 20:17 UTCPublished CVE record published
2026-08-31 23:32 UTCUpdated Record last modified

vmware spring cloud config UPGRADE

Affected: < 3.1.15 · >= 4.0.0 and < 4.2.9 · >= 4.3.0 and < 4.3.5 · >= 5.0.0 and < 5.0.5

Fixed in: 3.1.15, 4.2.9, 4.3.5, 5.0.5

Safe to downgrade to: a release before 4.0.0

1. Check installed version

apt-cache policy spring-cloud-config || rpm -q spring-cloud-config || spring-cloud-config --version

2. UPGRADE to 3.1.15 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spring-cloud-config

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spring-cloud-config

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison spring-cloud-config sudo apt install spring-cloud-config=<VERSION_BEFORE_4.0.0> sudo apt-mark hold spring-cloud-config

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list spring-cloud-config sudo dnf downgrade spring-cloud-config-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add spring-cloud-config

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-59315?

spring cloud config: upgrade to 3.1.15, 4.2.9, 4.3.5, 5.0.5. Exact commands for each OS are on this page.

Is CVE-2026-59315 being exploited?

CVE-2026-59315 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-59315 affect?

CVE-2026-59315 affects spring cloud config. Severity is medium (CVSS 5.3). The Spring Cloud Config Monitor is susceptible to Denial of Service attacks via malicious payloads. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring Cloud Config 3.1.14 and earlier

How urgent is CVE-2026-59315?

Priority 32/100. Remotely exploitable, no login, no user action

Software pages

VMware vulnerabilities

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References

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